G47.3 ICD-10-CM Code: Sleep apnea
Compare with another code for G47.3Check this code on a claim
Billing Status: NO. This is a non-billable ICD-10-CM code: report a more specific billable code beneath it.
Coding at a Glance
- Official instructions
- 4 Excludes1 · 4 Excludes2 · 1 code-also instruction
Not billable · FY2027A non-billable heading in the tabular list: report a more specific code beneath it.
What you need to know
Source: CMS/NCHS Official ICD-10-CM tabular notes, quoted. From the CMS/NCHS tabular list for the release in force. A note the category or block publishes applies to this code too, and is marked with where it comes from.
- Excludes1Not reported with this code unless documented as unrelated
- Code alsoMay be needed with this code
- any associated underlying condition
Where it sits Source: CMS/NCHS
Under:Chapter 6: Diseases of the Nervous SystemG40-G47 Episodic and paroxysmal disordersG47 Sleep disorders
Codes under G47.3 (9)
- G47.30Sleep apnea, unspecifiedBillable
- G47.31Primary central sleep apneaBillable
- G47.32High altitude periodic breathingBillable
- G47.33Obstructive sleep apnea (adult) (pediatric)Billable
- G47.34Idiopathic sleep related nonobstructive alveolar hypoventilationBillable
- G47.35Congenital central alveolar hypoventilation syndromeBillable
- G47.36Sleep related hypoventilation in conditions classified elsewhereBillable
- G47.37Central sleep apnea in conditions classified elsewhereBillable
- G47.39Other sleep apneaBillable
Most relevant related codes MedCoder-derived
Read off the official notes above and this code’s own position in the tabular list. Which to report is a documentation question; Compare shows the two side by side.
Coding instructions
Official Tabular Instructional Notes: the inclusion, exclusion and sequencing notes published for G47.3 in the official ICD-10-CM tabular list, quoted as published.
Source: CMS/CDC — ICD-10-CM Tabular ListRelease: FY2027Effective: October 1, 2026
Trace:FY2027 changesChange historyRelease, file and checksum
Notes without a marker are published on G47.3 itself; “inherited from” names the category or block whose note applies here.
Excludes1 — Not Coded Here
Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).
- apnea NOS (R06.81) Compare G47.3 vs R06.81 →
- Cheyne-Stokes breathing (R06.3) Compare G47.3 vs R06.3 →
- pickwickian syndrome (E66.2) Compare G47.3 vs E66.2 →
- sleep apnea of newborn (P28.3-) Compare G47.3 vs P28.3 →
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- nightmares (F51.5) Compare G47.3 vs F51.5 →
- nonorganic sleep disorders (F51.-) Compare G47.3 vs F51 →
- sleep terrors (F51.4) Compare G47.3 vs F51.4 →
- sleepwalking (F51.3) Compare G47.3 vs F51.3 →
Source: inherited from G47
Code Also
Additional codes that may be required to fully describe the encounter.
- any associated underlying condition
Coder workflow for G47.3
MedCoder structured workflow — derived from this code’s own official record
Before you code G47.3
- G47.3 is not reportable as written. Select the more specific code beneath it that the documentation supports. Codes are reported to the highest level of specificity the classification provides (Guidelines I.B.2).
ReviewG47.30, G47.31, G47.32, G47.33, G47.34, G47.35, G47.36, G47.37, G47.39
See the relationships section · Guide: How to choose an ICD-10-CM code →
- Check the Excludes1 note: if the documentation supports a condition named there, do not simply proceed with the code beneath G47.3. Excludes1 conditions are not reported together with this code unless the record shows they are unrelated (Guidelines I.A.12.a).
Choose the right path
- Does the documentation support one of the more specific codes beneath G47.3?
Yes → Select that code and continue the checks below on its own page.
No → G47.3 cannot be reported as written. Where the codes beneath it include an unspecified code, that code applies when the record goes no further; otherwise query for the missing detail.ReviewG47.30, G47.31, G47.32, G47.33, G47.34, G47.35, G47.36, G47.37, G47.39
- Does the documentation support a condition named in G47.3’s Excludes1 note?
Yes → Do not simply proceed: review the excluded code. Both are reported only when the record shows the two conditions are unrelated.
No → Continue.
Report the code beneath G47.3 that the documentation supports, not G47.3 itself. Then review the Code Also note, and confirm that code is valid for the date of service on its own page.
Documentation check
- The provider’s diagnostic statement
- Codes are assigned from the provider’s documented diagnosis, not from clinical criteria, test values or a medication list (Guidelines I.A.19).
Official instructions as workflow
Excludes1 — check before selecting G47.3(4 notes)
Coding workflow: If the documentation supports a condition named in this note, do not simply proceed with G47.3: the two are not reported together. The one exception is when the record shows the two conditions are unrelated to each other.
CompareR06.81, R06.3, E66.2, P28.3
See the official tabular notes · Guidelines I.A.12.a
Excludes2 — not part of G47.3(4 notes)
Coding workflow: The conditions named in this note are not included in G47.3. When the record documents both, both may be reported; the note is a boundary, not a prohibition.
CompareF51.5, F51, F51.4, F51.3
See the official tabular notes · Guidelines I.A.12.b
Code Also — related condition(1 note)
Coding workflow: Review the related condition when both are documented and the instruction applies. A Code Also note does not fix sequencing; the order follows the circumstances of the encounter.
See the official tabular notes · Guidelines I.A.17
Coding decision scenarios
Pattern scenarios for this code’s structure — decision rules, not clinical cases
Documentation: Both the condition G47.3 describes and a condition named in its Excludes1 note are documented for the same encounter.
Coding question: Can both codes be reported?
Path: Review the Excludes1 note and the excluded code, and look for a provider statement on whether the two conditions are related.
Reason: Excludes1 means the two are not coded together; the exception is when the record shows the conditions are unrelated to each other (Guidelines I.A.12.a).
Every row is derived from this code’s own record — its title, tabular notes, 7th-character family and same-category siblings — with fixed MedCoder wording; nothing is inferred about a patient. The official notes and guideline text are in the sections each row links to, and they control.
Coding context
Guidelines, coding notes, decision aids, relationships (with MS-DRG and CCSR classification), hierarchy, HCC, coverage and the context map: what a coder reaches for after the core. Each section names whether it is official source data, a MedCoder-derived relationship or MedCoder editorial.
Code Overview
MedCoder summary Summary composed by MedCoder from this code's official ICD-10-CM record. The tabular instructional notes themselves appear verbatim below.
Decision Points
The directives on this code's own record, as a pre-claim checklist.
- 1 Code Also note — a second code may apply; the guidelines leave its sequencing to the circumstances of the encounter. See the Code Also notes
- 4 Excludes1 entries — codes named there are generally not reported together with this code (Guidelines I.A.12.a). See the Excludes1 notes
- 4 Excludes2 entries — those conditions are not part of this code and may be reported additionally when documented. See the Excludes2 notes
Checklist rows are derived from this code's own official directives; the wording of each check is MedCoder editorial. The official notes themselves are in the sections each row links to.
Verify Before Coding
From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim in Claim Check.
Relationships & Classification
MedCoder-derived relationships — computed from published CMS and AHRQ datasets
Other codes that name G47.3 or its code family, from the CMS ICD-10-CM tabular instructional notes. Tabular-note edges are stored at the code family level that carries each note.
Referenced by 2 Excludes1 notes across 2 chapters: R06.81 — Apnea, not elsewhere classified, Z03.83 — Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out.
These codes’ tabular lists mark this diagnosis as mutually exclusive — not reported together unless the conditions are documented as unrelated.
Referenced by 4 Excludes2 notes across 3 chapters: F51 — Sleep disorders not due to a substance or known physiological condition (via G47.-), G47.0 — Insomnia, G47.1 — Hypersomnia, J98 — Other respiratory disorders.
These codes’ tabular lists name this diagnosis as distinct — both may be reported when both are documented.
Referenced by 1 Code Also instruction: I27.23 — Pulmonary hypertension due to lung diseases and hypoxia.
These codes suggest coding this condition alongside when both are present.
Contextual Map
Every relationship of G47.3 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.
Run G47.3 with these 10 related codes in Claim Check
Hierarchy
- G00-G99 — Chapter 6: Diseases of the Nervous System (G00-G99) (G00-G99)[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G40-G47 — Episodic and paroxysmal disorders[Hierarchy]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
Excludes1
- E66.2 — Morbid (severe) obesity with alveolar hypoventilation[Excludes1]: “pickwickian syndrome (E66.2)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
- P28.3 — Primary sleep apnea of newborn[Excludes1]: “sleep apnea of newborn (P28.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
- R06.3 — Periodic breathing[Excludes1]: “Cheyne-Stokes breathing (R06.3)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
- R06.81 — Apnea, not elsewhere classified[Excludes1]: “apnea NOS (R06.81)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
Referenced by Excludes1 notes
- R06.81 — Apnea, not elsewhere classified[Excludes1]: “sleep apnea (G47.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
- Z03.83 — Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out[Excludes1]: “sleep apnea (G47.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
Referenced by Excludes2 notes
- F51 — Sleep disorders not due to a substance or known physiological condition[Excludes2](via G47.-): “organic sleep disorders (G47.-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
- G47.0 — Insomnia[Excludes2]: “sleep apnea (G47.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
- G47.1 — Hypersomnia[Excludes2]: “sleep apnea (G47.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
- J98 — Other respiratory disorders[Excludes2]: “sleep apnea (G47.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
Referenced by Code Also instructions
- I27.23 — Pulmonary hypertension due to lung diseases and hypoxia[Code Also]: “sleep apnea (G47.3-)”— CMS ICD-10-CM tabular instructional notes · icd10cm-fy2027
Nearest codes (40)
- G47 — Sleep disorders[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G47.00 — Insomnia, unspecified[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G47.01 — Insomnia due to medical condition[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G47.09 — Other insomnia[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G47.1 — Hypersomnia[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G47.10 — Hypersomnia, unspecified[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G47.11 — Idiopathic hypersomnia with long sleep time[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- G47.12 — Idiopathic hypersomnia without long sleep time[Sibling]— CMS ICD-10-CM tabular structure · icd10cm-fy2027
- and 32 more
Change history
- FY2016 — In the code set at ICD-10-CM adoption [Change history]— CMS release files (code change ledger) · icd10cm-fy2016
Reference
Index terms and tables, published questions and FAQ, every source behind this page with its release and checksum, the date-of-service check and the complete change history.
Common coding questions
MedCoder editorial
Can G47.3 be billed directly?
No. G47.3 (Sleep apnea) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
Sources for this page
Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.
- Code, title, tabular notes and index terms Official source data
- CMS/CDC ICD-10-CM FY2027 tabular list, index and tables, effective October 1, 2026 Release, file and checksum · Publisher’s page
- Claim edits Official source data
- CMS Definitions of Medicare Code Edits — v44.0 (October 2026) Release, file and checksum · Publisher’s page
- Change history and date-of-service validity Official source data
- CMS ICD-10-CM release addenda, ingested release by release into the change ledger Release, file and checksum · Publisher’s page
- Comparisons, relationships and the contextual map MedCoder-derived relationship
- Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears
- Summary and FAQ answers MedCoder editorial explanation
- Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.
Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources
Labels on this page: Official source data · MedCoder-derived relationship · MedCoder editorial explanation. How to read the labels · All data sources and release dates · CMS coding rules
Cite this page
Reference this page in a research guide, syllabus or article. The release is included because code content changes each year.
MedCoder.ai. "G47.3 — Sleep apnea." ICD-10-CM FY2027. https://medcoder.ai/icd10/code/g47.3-sleep-apnea
Change history
- FY2016 — October 1, 2015In the code set at ICD-10-CM adoptionSleep apnea
No changes since FY2016 — additions, deletions, description changes and billable-status changes are tracked through FY2027, and none are recorded for this code. Note changes are tracked from FY2027 only.
Nearest Codes in This Family
Official ICD-10-CM classifications closest to G47.3 in its code family, with their registry titles.
- G47.24 — Circadian rhythm sleep disorder, free running type
- G47.25 — Circadian rhythm sleep disorder, jet lag type
- G47.26 — Circadian rhythm sleep disorder, shift work type
- G47.27 — Circadian rhythm sleep disorder in conditions classified elsewhere
- G47.29 — Other circadian rhythm sleep disorder
- G47.30 — Sleep apnea, unspecified
- G47.31 — Primary central sleep apnea
- G47.32 — High altitude periodic breathing
- G47.33 — Obstructive sleep apnea (adult) (pediatric)
- G47.34 — Idiopathic sleep related nonobstructive alveolar hypoventilation