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G47.31

G47.31: Primary central sleep apnea

Billable / specific codeICD-10-CM

G47.31 is a billable, specific ICD-10-CM code for primary central sleep apnea. It is valid for submission on a claim.

Check G47.31 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Idiopathic central sleep apnea

Excludes1 inherited from the categories above G47.31

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 G47.31

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

G47.31 is named in 14 Medicare coverage policies: 14 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
  • A56781Billing and Coding: Transthoracic Echocardiography (TTE)

Alphabetic index entries that lead here

  • Apnea, apneic›sleep›central(primary)
  • Apnea, apneic›sleep›primary central
  • Apnea, apneic›sleep›central›idiopathic

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under G47.3

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.