ICD-10 Z91.118
Billable / SpecificPatient's noncompliance with dietary regimen for other reason
About ICD-10-CM Z91.118
ICD-10-CM code Z91.118 represents Patient's noncompliance with dietary regimen for other reason. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z91). The 2026 edition of ICD-10-CM Z91.118 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Z91.118. Per CMS ICD-10-CM Tabular 2026.
- Inability to comply with dietary regimen
Medicare LCD Coverage for Z91.118
Local Coverage Determinations (LCDs) from CMS MACs that list Z91.118 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 Z91.118.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but Z91.118 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with Z91.118
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 Z91.118
Other codes in section Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).
ICD-10 Z91.118, Billing FAQ
Is ICD-10 code Z91.118 billable? +
Yes, Z91.118 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 Z91.118? +
ICD-10 Z91.118 includes: Inability to comply with dietary regimen.
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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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