Z79.01: Long term (current) use of anticoagulants

Z79.01, long term (current) use of anticoagulants, is listed as a covered diagnosis in 4 Medicare billing and coding articles that apply to 2 HCPCS Level II codes, including G0127 (Trimming of dystrophic nails, any number), J0585 (Injection, onabotulinumtoxina, 1 unit). The articles come from 4 Medicare contractors. A listed diagnosis supports medical necessity only; coverage still depends on the LCD's criteria and on documentation in the medical record.

HCPCS Level II codes with Z79.01 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
G0127Trimming of dystrophic nails, any numberSpecial coverage instructions apply—3
J0585Injection, onabotulinumtoxina, 1 unitSpecial coverage instructions apply—1

Medicare policy articles listing Z79.01

A diagnosis listed as covered in a billing and coding article supports medical necessity for the article's codes; it does not guarantee payment. Coverage depends on the LCD's criteria, the contractor's jurisdiction and documentation in the medical record.

Other Z79 diagnoses (Long term (current) drug therapy)

Frequently asked questions

Does Medicare cover Z79.01 (Long term (current) use of anticoagulants)?

Medicare covers items and services, not diagnoses. 4 Medicare billing and coding articles list Z79.01 as a covered diagnosis for 2 HCPCS Level II codes: the diagnosis can support medical necessity for those codes, but payment still depends on the LCD's coverage criteria and the medical record.

Which HCPCS codes can be billed with ICD-10 Z79.01?

The Level II codes from the policies most specific to this diagnosis are G0127 (Trimming of dystrophic nails, any number, 3 articles); J0585 (Injection, onabotulinumtoxina, 1 unit, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list Z79.01?

A57954 (Billing and Coding: Routine Foot Care); A56389 (Billing and Coding: Upper Gastrointestinal Endoscopy and Visualization); A52996 (Billing and Coding: Routine Foot Care), and 1 more article.

What is ICD-10-CM code Z79.01?

Z79.01 is the ICD-10-CM code for long term (current) use of anticoagulants, in category Z79 (Long term (current) drug therapy), chapter 22: Factors influencing health status and contact with health services.

Next steps

Sources: CMS Medicare Coverage Database billing and coding articles (covered ICD-10 code lists and HCPCS links); ICD-10-CM FY2026; CMS HCPCS Level II release October 2026; CMS DMEPOS fee schedule 2026 (non-rural state fees). Not billing or legal advice.

Chapter 22: Factors influencing health status and contact with health services · All diagnoses · HCPCS lookup