M01.X31: Direct infection of right wrist in infectious and parasitic diseases classified elsewhere

M01.X31, direct infection of right wrist in infectious and parasitic diseases classified elsewhere, is listed as a covered diagnosis in 6 Medicare billing and coding articles that apply to 9 HCPCS Level II codes, including U0002 (2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19)…), U0001 (Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr…), G0283 (Electrical stimulation (unattended), to one or more areas…). 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 M01.X31 as a covered diagnosis

CodeDescriptionMedicare coverageDMEPOS fee 2026 (state range)Articles listing it
U00022019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdcCarrier judgment—4
U0001Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr diagnostic panelCarrier judgment—4
G0283Electrical stimulation (unattended), to one or more areas for indication(s) other than wound care, as part of a therapy plan of careCarrier judgment—2
G0152Services performed by a qualified occupational therapist in the home health or hospice setting, each 15 minutesCarrier judgment—1
G0158Services performed by a qualified occupational therapist assistant in the home health or hospice setting, each 15 minutesCarrier judgment—1
G0160Services performed by a qualified occupational therapist, in the home health setting, in the establishment or delivery of a safe and effective occupational therapy maintenance program, each 15 minutesCarrier judgment—1
G2169Services performed by an occupational therapist assistant in the home health setting in the delivery of a safe and effective occupational therapy maintenance program, each 15 minutesCarrier judgment—1
G0281Electrical stimulation, (unattended), to one or more areas, for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers, and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care, as part of a therapy plan of careCarrier judgment—1
G0329Electromagnetic therapy, to one or more areas for chronic stage iii and stage iv pressure ulcers, arterial ulcers, diabetic ulcers and venous stasis ulcers not demonstrating measurable signs of healing after 30 days of conventional care as part of a therapy plan of careCarrier judgment—1

Medicare policy articles listing M01.X31

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 M01 diagnoses (Direct infections of joint in infectious and parasitic diseases classified elsewhere)

Frequently asked questions

Does Medicare cover M01.X31 (Direct infection of right wrist in infectious and…)?

Medicare covers items and services, not diagnoses. 6 Medicare billing and coding articles list M01.X31 as a covered diagnosis for 9 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 M01.X31?

The Level II codes from the policies most specific to this diagnosis are U0002 (2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19)…, 4 articles); U0001 (Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr…, 4 articles); G0283 (Electrical stimulation (unattended), to one or more areas…, 2 articles); G0152 (Services performed by a qualified occupational therapist…, 1 article); G0158 (Services performed by a qualified occupational therapist…, 1 article). Code choice depends on the item supplied; check each code's descriptor.

Which Medicare policy articles list M01.X31?

A58710 (Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing); A58720 (Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing); A58761 (Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing), and 3 more articles.

What is ICD-10-CM code M01.X31?

M01.X31 is the ICD-10-CM code for direct infection of right wrist in infectious and parasitic diseases classified elsewhere, in category M01 (Direct infections of joint in infectious and parasitic diseases classified elsewhere), chapter 13: Diseases of the musculoskeletal system and connective tissue.

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 13: Diseases of the musculoskeletal system and connective tissue · All diagnoses · HCPCS lookup