S86.391A: Other injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, initial encounter

S86.391A, other injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, initial encounter, is listed as a covered diagnosis in 3 Medicare billing and coding articles that apply to 1 HCPCS Level II code, including G0127 (Trimming of dystrophic nails, any number). The articles come from 3 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 S86.391A as a covered diagnosis

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

Medicare policy articles listing S86.391A

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 S86 diagnoses (Injury of muscle, fascia and tendon at lower leg level)

Frequently asked questions

Does Medicare cover S86.391A (Other injury of muscle(s) and tendon(s) of peroneal muscle…)?

Medicare covers items and services, not diagnoses. 3 Medicare billing and coding articles list S86.391A as a covered diagnosis for 1 HCPCS Level II code: 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 S86.391A?

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

Which Medicare policy articles list S86.391A?

A52996 (Billing and Coding: Routine Foot Care); A56232 (Billing and Coding: Foot Care); A56680 (Billing and Coding: Routine Foot Care).

What is ICD-10-CM code S86.391A?

S86.391A is the ICD-10-CM code for other injury of muscle(s) and tendon(s) of peroneal muscle group at lower leg level, right leg, initial encounter, in category S86 (Injury of muscle, fascia and tendon at lower leg level), chapter 19: Injury, poisoning and other consequences of external causes.

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 19: Injury, poisoning and other consequences of external causes · All diagnoses · HCPCS lookup