ICD-10/M25.861

M25.861 ICD 2026 Code: Other specified joint disorders, right knee

M25.861 is the authoritative medical code for Other specified joint disorders, right knee. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified joint disorders, right knee (ICD-10-CM M25.861), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Other specified joint disorders, right knee is a billable ICD-10-CM diagnosis code M25.861. Excludes2 (not included here): abnormality of gait and mobility R26.-; acquired deformities of limb M20-M21; calcification of bursa M71.4-; calcification of shoulder joint M75.3; calcification of tendon M65.2-; difficulty in walking R26.2; temporomandibular joint disorder M26.6-; joints of the spine M40-M54.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for M25.861 in the official ICD-10-CM tabular list.

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

  • abnormality of gait and mobility R26.-
  • acquired deformities of limb M20-M21
  • calcification of bursa M71.4-
  • calcification of shoulder joint M75.3
  • calcification of tendon M65.2-
  • difficulty in walking R26.2
  • temporomandibular joint disorder M26.6-
  • joints of the spine M40-M54

Frequently Asked Questions (FAQ) & Clinical Guidance

Can M25.861 be reported alongside related conditions?

Per official ICD-10-CM Excludes2 instructions, M25.861 and the following are not considered part of each other and may both be reported when both conditions are present: abnormality of gait and mobility (R26.-); acquired deformities of limb (M20-M21); calcification of bursa (M71.4-); calcification of shoulder (joint) (M75.3).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to M25.861 in its code family, with their registry titles.

  • M25 — Other joint disorder, not elsewhere classified
  • M25.0 — Hemarthrosis
  • M25.00 — Hemarthrosis, unspecified joint
  • M25.01 — Hemarthrosis, shoulder
  • M25.011 — Hemarthrosis, right shoulder
  • M25.012 — Hemarthrosis, left shoulder
  • M25.019 — Hemarthrosis, unspecified shoulder
  • M25.02 — Hemarthrosis, elbow
  • M25.021 — Hemarthrosis, right elbow
  • M25.022 — Hemarthrosis, left elbow

View all 40 codes in the M25 family