G47.35

G47.35: Congenital central alveolar hypoventilation syndrome

Billable / specific codeICD-10-CM

G47.35 is a billable, specific ICD-10-CM code for congenital central alveolar hypoventilation syndrome. It is valid for submission on a claim.

Check G47.35 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above G47.35

A category’s note binds every code beneath it.

Written on G47.3: Sleep apnea

apnea NOS (R06.81)
Cheyne-Stokes breathing (R06.3)
pickwickian syndrome (E66.2)
sleep apnea of newborn (P28.3-)

Excludes2 inherited from the categories above G47.35

Not part of this code, but both may be coded when both are present.

Written on G47: Sleep disorders

nightmares (F51.5)
nonorganic sleep disorders (F51.-)
sleep terrors (F51.4)
sleepwalking (F51.3)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

G47.35 is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

A56612Billing and Coding: CT of the Head
A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
A56730Billing and Coding: Respiratory Therapy and Oximetry Services
A56903Billing and Coding: Polysomnography and Other Sleep Studies

Alphabetic index entries that lead here

Hypoventilation›congenital central alveolar
Syndrome›congenital›central alveolar hypoventilation

Code history

Unchanged in every release from FY2024 to FY2027.