Is G47.32 a billable ICD-10-CM code?

Yes. G47.32 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does G47.32 sit in the tabular list?

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

What cannot be coded together with G47.32?

G47.32 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above G47.32 (G47.3) and apply to it just the same.

G47.32

G47.32 — High altitude periodic breathing

Billable / specific codeICD-10-CM

G47.32 is a billable, specific ICD-10-CM code for high altitude periodic breathing. It is valid for submission on a claim.

Excludes1 inherited from the categories above G47.32

These are not written on G47.32, but they bind it: a note on a category applies to every code beneath it. Billing G47.32 with anything listed here is a denial.

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 G47.32

Also inherited, and the opposite of Excludes1: these conditions are not part of G47.32, but a patient can have both, so you may code both.

Written on G47 — Sleep disorders

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

Risk adjustment

G47.32 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

G47.32 is named in 7 Medicare coverage policies — 7 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

A56730Billing and Coding: Respiratory Therapy and Oximetry Services
A56730Billing and Coding: Respiratory Therapy and Oximetry Services
A56903Billing and Coding: Polysomnography and Other Sleep Studies
A56923Billing and Coding: Outpatient Sleep Studies

How G47.32 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 G47.32.

Breathing›periodic›high altitude

Code history

G47.32 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share G47.3. If G47.32 is not quite right, the correct code is usually one of these.

Questions about G47.32

Is G47.32 a billable ICD-10-CM code?: Yes. G47.32 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does G47.32 sit in the tabular list?: Diseases of the nervous system (G00-G99), in the block Episodic and paroxysmal disorders (G40-G47).
What cannot be coded together with G47.32?: G47.32 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above G47.32 (G47.3) and apply to it just the same.