M00.879: Arthritis due to other bacteria, unspecified ankle and foot
M00.879, arthritis due to other bacteria, unspecified ankle and foot, is listed as a covered diagnosis in 4 Medicare billing and coding articles that apply to 2 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…). 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 M00.879 as a covered diagnosis
| Code | Description | Medicare coverage | DMEPOS fee 2026 (state range) | Articles listing it |
|---|---|---|---|---|
| U0002 | 2019-ncov coronavirus, sars-cov-2/2019-ncov (covid-19), any technique, multiple types or subtypes (includes all targets), non-cdc | Carrier judgment | — | 4 |
| U0001 | Cdc 2019 novel coronavirus (2019-ncov) real-time rt-pcr diagnostic panel | Carrier judgment | — | 4 |
Medicare policy articles listing M00.879
- A58710: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (Palmetto GBA (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
- A58720: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (Noridian Healthcare Solutions, LLC (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
- A58761: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (WPS Insurance Corporation (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
- A58747: Billing and Coding: MolDX: Molecular Syndromic Panels for Infectious Disease Pathogen Identification Testing (CGS Administrators, LLC (MAC - Part A, MAC - Part B); 2 Level II codes). LCD with the same title: L38988, L39001, L39038, L39044
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 M00 diagnoses (Pyogenic arthritis)
- M00.871 — Arthritis due to other bacteria, right ankle and foot
- M00.872 — Arthritis due to other bacteria, left ankle and foot
- M00.80 — Arthritis due to other bacteria, unspecified joint
- M00.811 — Arthritis due to other bacteria, right shoulder
- M00.812 — Arthritis due to other bacteria, left shoulder
- M00.819 — Arthritis due to other bacteria, unspecified shoulder
- M00.821 — Arthritis due to other bacteria, right elbow
- M00.822 — Arthritis due to other bacteria, left elbow
- M00.829 — Arthritis due to other bacteria, unspecified elbow
- M00.831 — Arthritis due to other bacteria, right wrist
- M00.832 — Arthritis due to other bacteria, left wrist
- M00.839 — Arthritis due to other bacteria, unspecified wrist
- M00.841 — Arthritis due to other bacteria, right hand
- M00.842 — Arthritis due to other bacteria, left hand
- M00.849 — Arthritis due to other bacteria, unspecified hand
- M00.851 — Arthritis due to other bacteria, right hip
- M00.852 — Arthritis due to other bacteria, left hip
- M00.859 — Arthritis due to other bacteria, unspecified hip
- M00.861 — Arthritis due to other bacteria, right knee
- M00.862 — Arthritis due to other bacteria, left knee
- M00.869 — Arthritis due to other bacteria, unspecified knee
- M00.88 — Arthritis due to other bacteria, vertebrae
- M00.89 — Polyarthritis due to other bacteria
- M00.00 — Staphylococcal arthritis, unspecified joint
- M00.011 — Staphylococcal arthritis, right shoulder
- M00.012 — Staphylococcal arthritis, left shoulder
- M00.019 — Staphylococcal arthritis, unspecified shoulder
- M00.021 — Staphylococcal arthritis, right elbow
- M00.022 — Staphylococcal arthritis, left elbow
- M00.029 — Staphylococcal arthritis, unspecified elbow
Frequently asked questions
Does Medicare cover M00.879 (Arthritis due to other bacteria, unspecified ankle and foot)?
Medicare covers items and services, not diagnoses. 4 Medicare billing and coding articles list M00.879 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 M00.879?
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). Code choice depends on the item supplied; check each code's descriptor.
Which Medicare policy articles list M00.879?
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 1 more article.
What is ICD-10-CM code M00.879?
M00.879 is the ICD-10-CM code for arthritis due to other bacteria, unspecified ankle and foot, in category M00 (Pyogenic arthritis), chapter 13: Diseases of the musculoskeletal system and connective tissue.
Next steps
- Run a reimbursement report for a device billed under U0002
- Watch U0002 for fee, coverage and descriptor changes
- Build a full Medicare revenue model for U0002
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