ICD-10 R06.81
Billable / SpecificApnea, not elsewhere classified
About ICD-10-CM R06.81
ICD-10-CM code R06.81 represents Apnea, not elsewhere classified. This is a billable/specific code in the Symptoms, Signs, and Abnormal Findings chapter (block R06). The 2026 edition of ICD-10-CM R06.81 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under R06.81. Per CMS ICD-10-CM Tabular 2026.
- Apnea NOS
Type 1 Excludes
Pure excludes, these codes can never be coded together with R06.81. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- apnea (of) newborn (P28.4-)
- sleep apnea (G47.3-)
- sleep apnea of newborn (primary) (P28.3-)
Medicare LCD Coverage for R06.81
Local Coverage Determinations (LCDs) from CMS MACs that list R06.81 as a covered diagnosis.
Showing top 10 of 197 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R06.81.
3 Aetna
1 Cigna
5 Medicare
CPT Codes Commonly Billed with R06.81
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert R06.81 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| R06.81 | 78603 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To R06.81
Other codes in section R00-R09 (Symptoms and signs involving the circulatory and respiratory systems).
ICD-10 R06.81, Billing FAQ
Is ICD-10 code R06.81 billable? +
Yes, R06.81 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What other names or terms map to R06.81? +
ICD-10 R06.81 includes: Apnea NOS.
What codes are Type 1 Excludes for R06.81? +
Type 1 Excludes (never code together with R06.81): apnea (of) newborn (P28.4-); sleep apnea (G47.3-); sleep apnea of newborn (primary) (P28.3-)
What ICD-9 codes does R06.81 map to? +
Per CMS GEMs, R06.81 maps to ICD-9 codes: 78603. Useful for legacy data review and historical claim analysis.
Get the full PayerReady toolkit
Free access to CPT/ICD-10 lookup, denial appeals, fee comparator, and claim auditing with credentialing enrollment.
Start free →Run this code through our claim audit tool
Check NCCI bundling, MUE limits, and modifier logic before submission.
Try the auditor →Did this page help?
Quick signal so we know what to improve.
If you want a code reference page that doesn't exist yet, email coding@payerready.com.
Tell us what's missing or wrong: coding@payerready.com. We respond within 5 business days.
Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
Powered by 11K CPT · 98K ICD-10 · 860K MPFS rates · 4.5M NCCI edits · 9.5M NPIs. Our data methodology · About our coding team