ICD-10-CM · Z79.01
ICD-10 Z79.01: Long term (current) use of anticoagulants
Patient on chronic anticoagulation (warfarin, DOAC). Status code, not primary diagnosis.
Code
Z79.01
Category
Factors influencing health status (Z00-Z99)
Clinical context
Patient on chronic anticoagulation (warfarin, DOAC). Status code, not primary diagnosis.
Documentation requirements
- Drug currently prescribed
- Indication (e.g., I48.91 AFib)
Common related procedures
- 85610 PT/INR
- Drug-specific monitoring
Common payer denial patterns
- Should accompany primary diagnosis code (AFib, VTE, etc.)
Frequently asked questions
What does ICD-10 Z79.01 mean?
Long term (current) use of anticoagulants
When is this code documented?
Patient on chronic anticoagulation (warfarin, DOAC). Status code, not primary diagnosis.
What documentation supports this code?
Drug currently prescribed; Indication (e.g., I48.91 AFib).
What are common denials associated with this diagnosis?
Should accompany primary diagnosis code (AFib, VTE, etc.).
Related diagnoses
- Z00.00 — Encounter for general adult medical examination without abnormal findings
- Z00.121 — Encounter for routine child health examination with abnormal findings
- Z00.129 — Encounter for routine child health examination without abnormal findings
- Z01.419 — Encounter for gynecological examination without abnormal findings
- Z11.51 — Encounter for screening for human papillomavirus (HPV)
- Z12.11 — Encounter for screening for malignant neoplasm of colon
Sources
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