What is this code?
ICD-10 entries help standardize how diagnoses are organized for coding, reporting, analytics, and documentation. This code sits within the broader ICD-10 area for Diseases of the nervous system (G00-G99).
When is it used?
- May be used when a clinician documents sleep apnea in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code may act more like a grouping or parent code, so a more specific child code may be used in final documentation when available.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
- This entry may represent a broader category rather than the most specific billable code.
Code hierarchy
chapter
6Diseases of the nervous system (G00-G99)
block
G40-G47Episodic and paroxysmal disorders
category
G47Sleep disorders
currentG47
Official coding notes
Excludes1 (do not code together)
- apnea NOS (R06.81)
- Cheyne-Stokes breathing (R06.3)
- pickwickian syndrome (E66.2)
- sleep apnea of newborn (P28.3-)
Code also
- any associated underlying condition
Where you may see this code
You may see this entry in coding references, medical records, or claims workflows when a broader diagnosis category is being reviewed before a more specific code is chosen.
Related specialists
NeurologistGeneral Physician
Related codes
G47.30Sleep apnea, unspecifiedcodeG47.31Primary central sleep apneacodeG47.32High altitude periodic breathingcodeG47.33Obstructive sleep apnea (adult) (pediatric)codeG47.34Idiopathic sleep related nonobstructive alveolar hypoventilationcodeG47.35Congenital central alveolar hypoventilation syndromecodeG47.36Sleep related hypoventilation in conditions classified elsewherecodeG47.37Central sleep apnea in conditions classified elsewherecodeG47.39Other sleep apneacode
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 105191000119100high
Acquired central alveolar hypoventilation
Source: SNOMED International ICD-10 map
SNOMED_CT 230494007high
Alveolar sleep apnea
Source: SNOMED International ICD-10 map
SNOMED_CT 111489007high
Breathing-related sleep disorder
Source: SNOMED International ICD-10 map
SNOMED_CT 24825006high
Central alveolar hypoventilation syndrome
Source: SNOMED International ICD-10 map
SNOMED_CT 91441000119109high
Central sleep apnea caused by high altitude
Source: SNOMED International ICD-10 map
SNOMED_CT 724506009high
Central sleep apnea co-occurrent with Cheyne Stokes respiration
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy code aligns to an official FY 2026 category. Frontend should resolve to the official category page and surface the billable child codes.
Legacy codes
G47.3
Replacement codes
G47.30 — Sleep apnea, unspecifiedG47.31 — Primary central sleep apneaG47.32 — High altitude periodic breathingG47.33 — Obstructive sleep apnea (adult) (pediatric)G47.34 — Idiopathic sleep related nonobstructive alveolar hypoventilationG47.35 — Congenital central alveolar hypoventilation syndromeG47.36 — Sleep related hypoventilation in conditions classified elsewhereG47.37 — Central sleep apnea in conditions classified elsewhereG47.39 — Other sleep apnea
Common synonyms
Sleep apnea
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.