2026 ICD-10-CM Diagnosis Code G47.30Sleep apnea, unspecified

ICD-10-CM Codes›G00–G99›G40-G47›G47

ICD-10-CM G47.30
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

G47.30 is a billable ICD-10-CM diagnosis code for sleep apnea, unspecified. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 154 through 156. Coders also document this condition as breathing-related sleep disorder. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Sleep wake disorders.

Code Identity

ICD-10-CM Code
G47.30
Billable Status
Yes — Valid for Submission
Code Describes
Sleep apnea, unspecified
Short Description
Sleep apnea, unspecified
Same as the full description in the CMS dataset.
Parent Code
G47.3
Sleep apnea

Code Classification

ChapterG00–G99Diseases of the nervous system
SectionG40-G47Episodic and paroxysmal disorders
CategoryG47Sleep disorders
This CodeG47.30Sleep apnea, unspecified

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Breathing-related sleep disorder
  • Glaucoma and sleep apnea syndrome
  • Hypersomnia with sleep apnea
  • Insomnia with sleep apnea
  • Pulmonary hypertension due to lung disease and/or hypoxia
  • Pulmonary hypertension due to sleep-disordered breathing
  • Sleep apnea

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Sleep apnea NOS

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Apnea, apneic(of) (spells)
      • sleep

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR NVS016
Sleep wake disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Sleep Apnea

Sleep apnea is a common disorder that causes your breathing to stop or get very shallow. Breathing pauses can last from a few seconds to minutes. They may occur 30 times or more an hour.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert G47.30 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
327.20 Organic sleep apnea NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
780.51 Insomn w sleep apnea NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
780.53 Hypersom w slp apnea NOS
Approximate The match is approximate rather than exact.
ICD-9-CM
780.57 Sleep apnea NOS
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About G47.30Overview

Is G47.30 (Sleep apnea) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report sleep apnea, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does G47.30 group to?

When sleep apnea, unspecified is the principal diagnosis on an inpatient stay, it groups to MS-DRG 154, 155, 156, with relative weights from 0.6911 to 1.5635 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of G47.30?

Under the General Equivalence Mappings, sleep apnea, unspecified converts to ICD-9-CM 327.20 (organic sleep apnea NOS), 780.51 (insomn w sleep apnea NOS), and 780.53 (hypersom w slp apnea NOS). The mapping is approximate, so confirm the match fits the documentation.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.