Is G47.35 a billable ICD-10-CM code?

Yes. G47.35 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does G47.35 sit in the tabular list?

Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).

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.

Risk adjustment

G47.35 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

G47.35 is named in 15 Medicare coverage policies — 15 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56612Billing and Coding: CT of the Head
A56717Billing and Coding: Respiratory Therapy (Respiratory Care)
A56730Billing and Coding: Respiratory Therapy and Oximetry Services
A56730Billing and Coding: Respiratory Therapy and Oximetry Services

How G47.35 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to G47.35.

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

Related codes at this level

Codes that share G47.3. If G47.35 is not quite right, the correct code is usually one of these.

Questions about G47.35

Is G47.35 a billable ICD-10-CM code?: Yes. G47.35 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G47.35 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).