ICD-10 Z79.899
Billable / SpecificOther long term (current) drug therapy
About ICD-10-CM Z79.899
ICD-10-CM code Z79.899 represents Other long term (current) drug therapy. This is a billable/specific code in the Factors Influencing Health Status chapter (block Z79). The 2026 edition of ICD-10-CM Z79.899 became effective on October 1, 2025.
Medicare LCD Coverage for Z79.899
Local Coverage Determinations (LCDs) from CMS MACs that list Z79.899 as a covered diagnosis.
Showing top 10 of 720 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing Z79.899.
2 Cigna
5 Medicare
CPT Codes Commonly Billed with Z79.899
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 99211 Established patient minimal visit — BP check, medication refill, nurse visit, immunization admin, post-op follow-up, injury follow-up Primary Care
Convert Z79.899 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 |
|---|---|---|
| Z79.899 | V5869 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To Z79.899
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 Z79.899, Billing FAQ
Is ICD-10 code Z79.899 billable? +
Yes, Z79.899 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with Z79.899? +
Procedures frequently paired with Z79.899 include: 99211.
What ICD-9 codes does Z79.899 map to? +
Per CMS GEMs, Z79.899 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 July 16, 2026.
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