MCMedicalCodingSoftware
M00.862

M00.862 — Arthritis due to other bacteria, left knee

Billable / specific codeICD-10-CMleft

M00.862 is a billable, specific ICD-10-CM code for arthritis due to other bacteria, left knee. It is valid for submission on a claim.

Excludes2 inherited from the categories above M00.862

Also inherited, and the opposite of Excludes1: these conditions are not part of M00.862, but a patient can have both, so you may code both.

Written on M00 — Pyogenic arthritis

  • infection and inflammatory reaction due to internal joint prosthesis (T84.5-)

Risk adjustment

M00.862 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 92 Bone/Joint/Muscle/Severe Soft Tissue Infections/Necrosis0.479 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

M00.862 is named in 15 Medicare coverage policies — 8 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Code history

M00.862 has not changed since FY2024 — no addition, revision or deletion across the FY2024–FY2027 ICD-10-CM releases.

Related codes at this level

Codes that share M00.86. If M00.862 is not quite right, the correct code is usually one of these.

Questions about M00.862

Is M00.862 a billable ICD-10-CM code?
Yes. M00.862 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does M00.862 sit in the tabular list?
Diseases of the musculoskeletal system and connective tissue (M00-M99), in the block Infectious arthropathies (M00-M02).
ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.