ICD-10/M25.359

M25.359 ICD 2026 Code: Other instability, unspecified hip

M25.359 is the authoritative medical code for Other instability, unspecified hip. This classification is used in medical billing and clinical recording to specify the clinical criteria for other instability, unspecified hip (ICD-10-CM M25.359), 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 instability, unspecified hip is a billable ICD-10-CM diagnosis code M25.359. Excludes1 (not coded here): instability of joint secondary to old ligament injury M24.2-; instability of joint secondary to removal of joint prosthesis M96.8-. Excludes2 (not included here): spinal instabilities M53.2-; 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 M25.359 in the official ICD-10-CM tabular list.

Excludes1 — Not Coded Here

Conditions that can never be reported with this code; the two are mutually exclusive.

  • instability of joint secondary to old ligament injury M24.2-
  • instability of joint secondary to removal of joint prosthesis M96.8-

Excludes2 — Not Included Here

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

  • spinal instabilities M53.2-
  • 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

What can't be coded together with M25.359?

Per Excludes1 instructions, M25.359 must not be reported with: instability of joint secondary to old ligament injury (M24.2-); instability of joint secondary to removal of joint prosthesis (M96.8-).

Can M25.359 be reported alongside related conditions?

Per Excludes2 instructions, M25.359 and the following may both be reported when both are present: spinal instabilities (M53.2-); abnormality of gait and mobility (R26.-); acquired deformities of limb (M20-M21); calcification of bursa (M71.4-).

Codes in This Family (40)

Official ICD-10-CM classifications in the same code family as M25.359, 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
  • M25.029 — Hemarthrosis, unspecified elbow
  • M25.03 — Hemarthrosis, wrist
  • M25.031 — Hemarthrosis, right wrist
  • M25.032 — Hemarthrosis, left wrist
  • M25.039 — Hemarthrosis, unspecified wrist
  • M25.04 — Hemarthrosis, hand
  • M25.041 — Hemarthrosis, right hand
  • M25.042 — Hemarthrosis, left hand
  • M25.049 — Hemarthrosis, unspecified hand
  • M25.05 — Hemarthrosis, hip
  • M25.051 — Hemarthrosis, right hip
  • M25.052 — Hemarthrosis, left hip
  • M25.059 — Hemarthrosis, unspecified hip
  • M25.06 — Hemarthrosis, knee
  • M25.061 — Hemarthrosis, right knee
  • M25.062 — Hemarthrosis, left knee
  • M25.069 — Hemarthrosis, unspecified knee
  • M25.07 — Hemarthrosis, ankle and foot
  • M25.071 — Hemarthrosis, right ankle
  • M25.072 — Hemarthrosis, left ankle
  • M25.073 — Hemarthrosis, unspecified ankle
  • M25.074 — Hemarthrosis, right foot
  • M25.075 — Hemarthrosis, left foot
  • M25.076 — Hemarthrosis, unspecified foot
  • M25.08 — Hemarthrosis, other specified site
  • M25.1 — Fistula of joint
  • M25.10 — Fistula, unspecified joint
  • M25.11 — Fistula, shoulder
  • M25.111 — Fistula, right shoulder
  • M25.112 — Fistula, left shoulder

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code M23.359 Other meniscus derangements, posterior horn of lateral meniscus, unspecified knee
ICD Code M24.359 Pathological dislocation of unspecified hip, not elsewhere classified
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