ICD-10 Z79.891
Billable / SpecificLong term (current) use of opiate analgesic
About ICD-10-CM Z79.891
ICD-10-CM code Z79.891 represents Long term (current) use of opiate analgesic. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z79). The 2026 edition of ICD-10-CM Z79.891 became effective on October 1, 2025.
Inclusion Terms / Approximate Synonyms
Clinical terms and conditions classified under Z79.891. Per CMS ICD-10-CM Tabular 2026.
- Long term (current) use of methadone for pain management
Type 1 Excludes
Pure excludes, these codes can never be coded together with Z79.891. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- methodone use NOS (F11.9-)
- use of methodone for treatment of heroin addiction (F11.2-)
Medicare LCD Coverage for Z79.891
Local Coverage Determinations (LCDs) from CMS MACs that list Z79.891 as a covered diagnosis.
Showing top 10 of 480 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z79.891.
5 Medicare
CPT Codes Commonly Billed with Z79.891
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 Z79.891 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 |
|---|---|---|
| Z79.891 | V5869 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Z79.891
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 Z79.891, Billing FAQ
Is ICD-10 code Z79.891 billable? +
Yes, Z79.891 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 Z79.891? +
ICD-10 Z79.891 includes: Long term (current) use of methadone for pain management.
What codes are Type 1 Excludes for Z79.891? +
Type 1 Excludes (never code together with Z79.891): methodone use NOS (F11.9-); use of methodone for treatment of heroin addiction (F11.2-)
What ICD-9 codes does Z79.891 map to? +
Per CMS GEMs, Z79.891 maps to ICD-9 codes: V5869. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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