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M24.87

Other specific joint derangements of ankle and foot, not elsewhere classified

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 15 never code together
M24code
Excludes1
  • current injury - see injury of joint by body region
Excludes2
  • ganglion (M67.4)M67.4
  • snapping knee (M23.8-)M23.8-
  • temporomandibular joint disorders (M26.6-)M26.6-
M24.8code
Excludes2
  • iliotibial band syndrome (M76.3)M76.3
M00-M99chapter
Excludes2
  • arthropathic psoriasis (L40.5-)L40.5-
  • certain conditions originating in the perinatal period (P04-P96)P04-P96
  • certain infectious and parasitic diseases (A00-B99)A00-B99
  • compartment syndrome (traumatic) (T79.A-)T79.A-
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
  • endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
  • injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
  • neoplasms (C00-D49)C00-D49
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94

Excludes1 — never code together. The excluded condition and this one are mutually exclusive.

Excludes2 — not included here, but the patient may have both. Code both when documented.

Instructional notes 2
M00-M25block
Includes
  • Disorders affecting predominantly peripheral (limb) joints
M00-M99chapter
Notes
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Index entries leading here 1
Alongside this code 7 same parent — M24.8
M24.80 Oth specific joint derangements of unsp joint, NEC M24.81 Oth specific joint derangements of shoulder, NEC category M24.82 Oth specific joint derangements of elbow, NEC category M24.83 Oth specific joint derangements of wrist, NEC category M24.84 Oth specific joint derangements of hand, NEC category M24.85 Oth specific joint derangements of hip, NEC category M24.89 Other specific joint derangement of oth joint, NEC
Subordinate codes 6
M24.871 Oth specific joint derangements of right ankle, NEC M24.872 Oth specific joint derangements of left ankle, NEC M24.873 Oth specific joint derangements of unsp ankle, NEC M24.874 Oth specific joint derangements of right foot, NEC M24.875 Oth specific joint derangements left foot, NEC M24.876 Oth specific joint derangements of unsp foot, NEC
Additional references
AHA Coding Clinic® Licence required

Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.

Risk adjustment

Maps to no condition category in any loaded model.

Presence is a property of the code. Untick a model to hide it everywhere.

This code

Billable
no
Code set
FY2026
Parent
M24.8
Block
M00-M25
Siblings
7
Subordinate
6

Present FY2024–FY2027.