ICD-10 Z91.158
Billable / Specific HCC v28: 134Patient's noncompliance with renal dialysis for other reason
About ICD-10-CM Z91.158
ICD-10-CM code Z91.158 represents Patient's noncompliance with renal dialysis 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 Z91.158 became effective on October 1, 2025.
Coding Tips for Z91.158
Specialist guidance from the PayerReady Medical Coding Team. Specificity warnings, HCC capture rules, sequencing notes.
Z91.158 is a CMS-HCC v28 risk-adjustment code (category 134). To count for the patient Risk Adjustment Factor (RAF), document the diagnosis with MEAT language each calendar year: Monitored, Evaluated, Assessed, Treated. A diagnosis on the problem list alone does not satisfy CMS RADV audit standards. Include the diagnosis in the assessment with current status and current treatment plan.
Medicare Advantage HCC Impact
Capture this diagnosis annually for accurate risk adjustment. Missed HCC captures are the #1 revenue leak in Medicare Advantage risk programs.
Medicare LCD Coverage for Z91.158
Local Coverage Determinations (LCDs) from CMS MACs that list Z91.158 as a covered diagnosis.
Showing top 10 of 66 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z91.158.
1 Medicare
CPT Codes Commonly Billed with Z91.158
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 Z91.158
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 Z91.158, Billing FAQ
Is ICD-10 code Z91.158 billable? +
Yes, Z91.158 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
Does Z91.158 affect Medicare Advantage HCC risk adjustment? +
Yes. Z91.158 maps to CMS-HCC v28 category 134. Capture this diagnosis annually for accurate Medicare Advantage risk score.
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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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