ICD-10 R27
Non-Billable HeaderOther lack of coordination
About ICD-10-CM R27
ICD-10-CM code R27 represents Other lack of coordination. This is a non-billable header code in the Symptoms, Signs, and Abnormal Findings chapter (block R27). The 2026 edition of ICD-10-CM R27 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with R27. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- ataxic gait (R26.0)
- hereditary ataxia (G11.-)
- vertigo NOS (R42)
Medicare LCD Coverage for R27
Local Coverage Determinations (LCDs) from CMS MACs that list R27 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing R27.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but R27 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with R27
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.
Codes Adjacent To R27
Other codes in section R25-R29 (Symptoms and signs involving the nervous and musculoskeletal systems).
ICD-10 R27, Billing FAQ
Is ICD-10 code R27 billable? +
No, R27 is a non-billable header code. Use a more specific child code from block R27 when submitting claims.
What codes are Type 1 Excludes for R27? +
Type 1 Excludes (never code together with R27): ataxic gait (R26.0); hereditary ataxia (G11.-); vertigo NOS (R42)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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