Problems with the Respironics Compliance Download Report

Most sleep professionals are aware that Medicare now requires objective documentation of compliance with CPAP during the first 3 months of use for continued coverage of CPAP. During a consecutive one month period during the first 3 months, the patient needs to use CPAP at least 4 hours per night for 70% of the nights.

When looking at compliance reports from Respironics CPAP machines, I used to look at the % result of "Percent of Days with Usage greater than or equal to 4 hours". However, days in which CPAP is not used at all are not included in calculating this figure.

To get the correct "Medicare %", you need to multiply "Percent Days with Device Usage" by "Percent of Days with Usage greater than or equal to 4 hours."

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edit (4/9/09) When doing this calculation, make sure you are using a download report for a 30 day consecutive period (see comments)
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This problem was pointed out to a Respironics representative, and I think we will soon be seeing a more user-friendly compliance download report from Respironics.

A celebrity with non-REM parasomnias

The model for Lara Croft suffers from sleepwalking and night terrors:

Since she was a small child, Lucy's nights have been blighted by frightening sleepwalking episodes and night terrors, causing her to roam the house screaming in fear while still asleep.
And over the past six months, these episodes have taken a turn for the worse. Lucy Clarkson, 26, has twice woken up to find herself trying to strangle her boyfriend of four years, Michael Parnes

More sleep medicine career advice

A reader asks:

I am a US citizen- International Medical Graduate- who will start my psychiatry residency and I am interested in pursuing sleep medicine as a fellowship. Please provide me some guidance...

As a psych resident/IMG, you have 2 strikes against you, though IMG status is better than FMG status. If there is a sleep fellowship program at the place where you are doing your psychiatry residency, that sleep program is your best shot. If possible, do electives in sleep, pulmonary, and ENT during your residency (the ENT rotation may be difficult to arrange). Sleep research during residency would also be helpful.

Reader Question About Starting a Career in Sleep Medicine

A pulmonologist who is becoming certified in sleep and would like to transition to a sleep career asks:
Sleep only jobs seem rare, so realistically incorporating sleep into a primary pulmonary practice is my goal. Is that kind of paradigm possible? On a practical level, how would you see someone trying to do this? Would I work part-time in a sleep lab; would I try to be a director and practice pulmonary (I think that owning my own lab would be a stretch)?

Here are some past posts that may be helpful.

http://sleepdoctor.blogspot.com/2008/08/careers-in-sleep-medicine-for.html

http://sleepdoctor.blogspot.com/2008/04/starting-sleep-lab-part-one.html

http://sleepdoctor.blogspot.com/2008/04/starting-sleep-lab-part-two.html

You could start your own lab if you had access to several hundred thousand dollars; there are companies you can partner with that can help you start the lab. However, this is pretty risky.

One way to transition to sleep is to be in a practice (either solo or group) of your primary specialty. Then advertise your expertise in sleep. Make an agreement with an existing sleep lab that you can read the studies (and bill the interp fee) for the patients you send there for sleep studies- this is easy to do, most labs would be willing to make this arrangement with a BE/BC sleep doc. Gradually increase your sleep work and decrease your primary specialty. Call rural hospitals in your state and offer to go out there and see sleep patients. I made this arrangement with a small hospital about 45 minutes from Jackson MS. At first I sent the patients back to my main sleep lab in Jackson. Now the hospital has a 2 bed sleep lab that I am medical director of.
As you become known as a sleep expert in your state (blogging or posting on sleep discussion forums such as the AASM forums helps), opportunities will open up. You will probably be contacted by sleep labs that will offer you medical directorships and give you a lot of studies to read in exchange for going out there periodically and seeing patients (you might have to drive several hours to outlying sleep labs).

CMS Decision on Home Testing

Released 3/3/09

Decision Summary
CMS finds that the evidence is sufficient to determine that the results of the sleep tests identified below can be used by a beneficiary’s treating physician to diagnose OSA, that the use of such sleep testing technologies demonstrates improved health outcomes in Medicare beneficiaries who have OSA and receive the appropriate treatment, and that these tests are thus reasonable and necessary under section 1862(a)(1)(A) of the Social Security Act.
Therefore:
Type I Polysomnography (PSG) is covered when used to aid the diagnosis of obstructive sleep apnea (OSA) in beneficiaries who have clinical signs and symptoms indicative of OSA if performed attended in a sleep lab facility.
A Type II or a Type III sleep testing device is covered when used to aid the diagnosis of obstructive sleep apnea (OSA) in beneficiaries who have clinical signs and symptoms indicative of OSA if performed unattended in or out of a sleep lab facility or attended in a sleep lab facility.
A Type IV sleep testing device measuring three or more channels, one of which is airflow, is covered when used to aid the diagnosis of obstructive sleep apnea (OSA) in beneficiaries who have signs and symptoms indicative of OSA if performed unattended in or out of a sleep lab facility or attended in a sleep lab facility.
A sleep testing device measuring three or more channels that include actigraphy, oximetry, and peripheral arterial tone is covered when used to aid the diagnosis of obstructive sleep apnea (OSA) in beneficiaries who have signs and symptoms indicative of OSA if performed unattended in or out of a sleep lab facility or attended in a sleep lab facility.

Bizkit the Sleepwalking Dog

Looks more like REM sleep behavior disorder to me.

AASM Limits the Number of Medical Directorships

The American Academy of Sleep Medicine has limited physicians to being medical director of no more than 3 sleep centers/labs: http://www.aasmnet.org/Resources/PDF/Dec2008CenterStandards.pdf


This requirement is being phased in and appears to take effect July 1,2009.

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update (2/14/09) It has been clarified by the AASM on their discussion forum that this requirement takes effect July 1, 2009. A physician is limited to 3 medical directorships and/or board-certified sleep specialist positions (the combination can not exceed 3). A PhD. sleep specialist is limited to 3 board-certified sleep specialist positions.

Accreditation and Reimbursement

A reader asks, via email:
Is Somnus Sleep Clinic accredited by JCAHO and AASM? How do these processes work? Must one occur before the other? Is accreditation required for reimbursment?

Somnus Sleep Clinic is accredited by The American Academy of Sleep Medicine (AASM). In Mississippi and many other states, AASM accreditation is necessary for a sleep center/lab to receive reimbursement for a sleep study from Blue Cross/Blue Shield plans. In some states, other insurance companies also have this restriction.

I don't know too much about JCAHO accreditation of sleep labs/centers. I believe that in some states (not MS), some insurance companies will reimburse for sleep studies at labs/centers accredited by either the AASM or JCAHO. I believe that JCAHO accreditation is mainly for hospital-based sleep labs/centers.

If any reader has more info about JCAHO accreditation for sleep labs/centers, please leave a comment

Sleep and coronary artery calcification

Several medical bloggers have posted about a recent study in which increased sleep time was associated with a decreased incidence of coronary artery disease (as measured by coronary artery calcification).

The problem with these observational studies looking at sleep duration and mortality/morbidity is that they don't distinguish between 1) voluntary sleep deprivation, 2) primary insomnia, and 3) insomnia secondary to medical/sleep disorders.

How is a doctor to use the data from this study???
I doubt writing a prescription for a sleeping pill would improve someone's coronary artery calcification score. However, advising someone with voluntary sleep deprivation (due to work pressures, etc) to extend their sleep hours might (if they take your advice)- I base this conclusion on prior studies which demonstrated that voluntary sleep restriction does lead to adverse metabolic consequences. And of course, treating any obstructive sleep apnea present is important, especially in patients with pre-existing coronary artery disease, atrial fibrillation, or congestive heart failure.

Sleep and Bipolar Disorder

Sleep disturbance is a cardinal feature of bipolar disorder. During acute mania, patients exhibit markedly reduced sleep time and report a reduced need for sleep. The reduced need for sleep can be further defined as the “ability to maintain energy without sufficient sleep” (Plante and Winkelman, 2008). Even when euthymic, sleep disturbance is common (Harvey 2008). In a recent study, 55% of euthymic bipolar patients had chronic insomnia (Harvey et al 2005). Both insomnia and hypersomnia have been reported in patients with bipolar depression (Harvey 2008). Children with bipolar disorder (who often display ultradian rapid cycling rather than distinct mood episodes) exhibit reduced sleep efficiency and frequent nocturnal awakenings (Mehl et al 2006).

Both homeostatic and circadian sleep abnormalities are thought to play a role in bipolar disorder (Plante and Winkelman 2008).

Polysomnographic studies of unmedicated manic panics have found shortened total sleep time, shortened REM latency, and increased time awake in bed (Plante and Winkelman 2008).

**Harvey AG. Sleep and circadian rhythms in bipolar disorder: seeking synchrony, harmony, and regulation. Am J Psychiatry 2008;165(7):820-9.**


Harvey AG, Schmidt DA, Scarna A, Semler CN, Goodwin GM. Sleep-related functioning in euthymic patients with bipolar disorder, patients with insomnia, and subjects without sleep problems. Am J Psychiatry 2005;162(1):50-7.

Mehl RC, O’Brien LM, Jones JH, Dreisbach JK. Correlates of sleep and pediatric bipolar disorder. Sleep 2006;29(2):193-7.

**Plante DT, Winkelman JW. Sleep disturbance in bipolar disorder: therapeutic implications. Am J Psychiatry 2008;165(7):830-43.**

The above is excerpted from an article I wrote on Sleep Disorders and Mental Illness for Medlink Neurology.

Billing for Interrupted Sleep Studies

This appeared in the current issue of Medical Economics (I am quoting it in full to better illustrate how wrong the answer is):

Q: We perform sleep and polysomnography studies, which are frequently interrupted because the patient repeatedly stops breathing and we need to implement continuous positive airway pressure therapy. Until now, we didn't think we could bill for those interrupted studies, but we were recently told it is appropriate to do so. How do we proceed?
A: There are actually two proper ways to report the service, according to Current Procedural Terminology. The first is to report the appropriate code from the 95803-95811 range with the modifier –52 for reduced services. The second is to report the appropriate code with the modifier –53 for discontinued services.
The modifier selection would be determined by the amount of data collected during the study. If there is sufficient data to form a diagnostic opinion, –52 would seem the appropriate choice. If there is insufficient data, modifier –53 would be appropriate. However, it is a decision that should be made by the physician. As you know, CPT definition does not guarantee coverage by the insurer.

Occasionally a patient comes in for a diagnostic polysomnogram (95810) and due to the severity of the sleep apnea, CPAP is applied (while continuing polysomnographic monitoring). Sometimes patients are scheduled for split-night studies, in which for the first several hours diagnostic polysomnography is performed, and if there appears to be significant sleep apnea, cpap is applied for the rest of the night with continued polysomnographic monitoring. In both of these situations, the correct CPT billing code to use is (95811), the code for a CPAP titration study.

I am not too familiar with the -53 modifier. I use the -52 modifier when a study is terminated prior to 6 hours of recording time. I do plan to look more into the difference between the -52 and -53 modifiers.

On a broader note, this answer in Medical Economics-written by a non-physician- illustrates that the field of Medicine needs physicians with legal and business experience, and perhaps dual degrees (MD/JD and MD/MBA). Non-physicians often have difficulties truly understanding what what is involved in a medical business. For example, sleep labs organized as Independent Diagnostic and Testing Facilities (IDTF's) that have physician ownership or part ownership are limited in the number of referrals that can come from the physician. Say, for example, that an IDTF with a physician owner and several non-physician owners is told by their lawyer that only 40% of the sleep studies can be ordered/referred by the physician owner. Seems simple enough. However, how do you count a cpap titration? If a Primary care doc orders the psg, it shows sleep apnea, the sleep doc - who is a part owner of the IDTF- sees the patient and arranges for the titration study, who is considered to be the referring doc for the cpap titration? Does it make any difference if the original order form signed by the primary care doc has a pre-printed line next to the order for the polysomnogram indicating that a cpap titration will be performed if clinically appropriate? In my experience, many lawyers have difficulties understanding the process by which a patient initially presents with symptoms of OSA and, after seeing several doctors and going through several sleep studies, eventually receives a cpap machine. I think that part of the problem is that Federal regulations are unclear on the matter. We probably need more doctors in government, too.

What I've been up to

sorry I haven't posted much recently; I have been very busy. I did my last AASM accreditation site visit on the twelfth. I have enjoyed meeting sleep professionals across the country. I learned something about sleep medicine, either about the clinical or business/legal aspects, on each accreditation inspection.
The American Academy of Sleep Medicine is currently recruiting for new Accreditation Site Visitors.
Although I have enjoyed being a site visitor, I am just too busy to continue. Currently I am reading sleep studies for 5 sleep centers/labs: Somnus Sleep Clinic, Forest Sleep Clinic (associated with Lackey Memorial Hospital), Tupelo Sleep Diagnostics, Hancock Medical Center's sleep lab, and Desoto Sleep Diagnostics.
I serve as medical director for the first three. Hancock's sleep center has a local doctor as the medical director, James C. Crittenden, M. D. I am the ABSM diplomate at Hancock.

I'm looking forward to the AASM Business of a Sleep Center Course, which will be in February in Los Angeles. I think that course will inspire me to blog more frequently.

I'm thinking about hiring a nurse practitioner. If they're any interested np's out there, either with a psychiatry or primary care background, please contact me at Somnus Sleep Clinic.

More on Medicare Coverage of CPAP machines

A few weeks ago I posted on the subject of new medicare requirements for the coverage of a cpap machine.

An interesting part of the new requirements appears to mandate that the physician who will be prescribing the cpap machine see the patient prior to the initial psg:

INITIAL COVERAGE:A single level continuous positive airway pressure (CPAP) device (E0601) is covered for the treatment of obstructive sleep apnea (OSA) if criteria A - C are met:
The patient has a face-to-face clinical evaluation by the treating physician prior to the sleep test to assess the patient for obstructive sleep apnea.
The patient has a Medicare-covered sleep test that meets either of the following criteria (1 or 2):
The patient and/or their caregiver has received instruction from the supplier of the CPAP device and accessories in the proper use and care of the equipment.If a claim for a CPAP (E0601) is submitted and all of the criteria above have not been met, it will be denied as not medically necessary.

Currently most of the medicare patients who come through Somnus Sleep Clinic are referred directly for a polysomnogram, I see them after the polysomnogram. If they need cpap, I will typically schedule them for the titration study and then see them back again after that to prescribe cpap. I guess I need to start seeing patients with Medicare prior to their initial psg.

Objective Compliance Documentation for CPAP use

A member of the AASM discussion boards provide a link to the following info regarding the new CMS requirements for the documentation of benefit of CPAP required for continued coverage of cpap beyond the initial 3 month period:

For PAP devices with initial dates of service on or after November 1, 2008, documentation of clinical benefit is demonstrated by:
Face-to-face clinical re-evaluation by the treating physician with documentation that symptoms of obstructive sleep apnea are improved; and,
Objective evidence of adherence to use of the PAP device, reviewed by the treating physician.

I am planning on asking the durable medical equipment companies I work with to provide me with a compliance download for my Medicare patients. The Medicare patients will bring this printout to their appointments with me.

This LCD applies to most of the southern states, I believe that most other regions have similar LCD's.

The Consequences of Sleepiness

Excessive daytime sleepiness can lead to impaired work performance and motor vehicle accidents. It can also land you in jail:

An Israeli soldier got three weeks in the slammer for yawning during a ceremony this week to mark the assassination of prime minister Yitzhak Rabin, his mother said.

Medicare and CPAP

Along with allowing home limited-channel polysomnographic testing to qualify a patient for a cpap machine, CMS also instituted a 12-week trial period for cpap:

The use of CPAP is covered under Medicare when used in adult patients with OSA. Coverage of CPAP is initially limited to a 12-week period to identify beneficiaries diagnosed with OSA as subsequently described who benefit from CPAP. CPAP is subsequently covered only for those beneficiaries diagnosed with OSA who benefit from CPAP during this 12-week period.

This trial period applies whether osa was diagnosed by traditional polysomnography or by home testing.

I have heard from several sources that objective data will be required to demonstrate compliance (compliance download). Does anyone have any info about this, and when it will take effect (one source has told me Nov 1, 2008)???? If anyone could provide a link, it would be appreciated. thanks

Slow wave sleep and sleep apnea

In patients with OSA, apneas and hypopneas tend to be most frequent during REM sleep and the least frequent during slow wave sleep. The protective effect of slow wave sleep is something that I have observed when reading sleep studies, and I have heard several other doctors mention this. Apparently this is an area that has not been previously well researched, as there has been a recent study looking at this:

Slow-wave sleep (SWS) may have a protective effect for events related to sleep apnea, according to research presented at CHEST 2008, the annual meeting of the American College of Chest Physicians.

Coverage for CPAP

Sometimes a patient will have symptoms of obstructive sleep apnea but they don't meet their insurance company's strict criteria for coverage of a cpap machine. I wrote the following on the AASM discussion board, in response to another poster's suggestion of a dental appliance or the Pillar procedure:

Often oral appliances ($1400-1500) and pillar implants have to be paid for out of pocket. If a patient can afford this, they should be able to afford a cpap machine, even if there is no insurance coverage for it. Many payors will cover a cpap titration even if the patients don't meet criteria for coverage of a cpap machine. For example, if a medicare pt has a lot of hypopneas with less than 4% desat, I will call it OSA (327.23) if the pt has syxs and their is a lot of sleep fragmentation from the hypopneas. The cpap titration would be covered, but not the cpap machine. Medicare's strict criteria are for the coverage of a cpap machine, and not for the diagnosis of OSA itself. A cpap machine can usually be obtained for under the cost of a dental appliance.

There are additional options for the treatment of mild OSA. I often suggest the trio of avoiding sleeping in the supine position, weight loss, and a steroid nasal spray.
Some of my patients have found the Anti-Snore Shirt helpful.

DME Companies Left Out of Home Testing

It appears that Durable Medical Equipment companies have been left out of home testing by most of the regional Medicare carriers.
Here is part of the Local Coverage Determination for Positive Airway Pressure (PAP) Devices for the Treatment of Obstructive Sleep Apnea (L11518) for Cigna Government Services:

No aspect of an HST, including but not limited to delivery and/or pickup of the device, may be performed by a DME supplier. This prohibition does not extend to the results of studies conducted by hospitals certified to do such tests.

The LCD also states:

The test must be ordered by the beneficiary’s treating physician and conducted by an entity that qualifies as a Medicare provider of sleep tests and is in compliance with all applicable state regulatory requirements.

I interpret this section is not allowing individual doctors to perform home testing in the area covered by Cigna Government Services. It seems that home testing must be performed by a sleep center/sleep lab.

Near Death Experiences Linked to REM Intrusion

According to a new study, many persons with a Near Death Experience (NDE) have symptoms of REM sleep intruding into wakefulness:
For 60 percent of those who had been through an NDE, the rapid-eye movement (REM) state of sleep intrudes into their regular consciousness while awake, the study found. Both before and after their traumatic event, these people had experiences that include waking up and not being able to move, sudden muscle weakness in their legs, and hearing sounds that no one else hears upon waking or falling asleep.
Persons with narcolepsy commonly have symptoms of REM sleep intruding into wakefulness, including sleep paralysis (waking up and not being able to move), cataplexy (sudden bilateral muscle weakness/limpness in response to strong emotion) and hypnagogic/hypnopompic hallucinations (hallucinations, usually visual, as one is falling asleep or waking up).
These symptoms occur when features of REM sleep (muscle paralysis, dreams) occur during wakefulness.
I wonder Near Death Experiences are more common in narcoleptics??