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M24.21

Disorder of ligament, shoulder

Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 16 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-
M24.2code
Excludes1
  • familial ligamentous laxity (M35.7)M35.7
Excludes2
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 4
M24.2code
Inclusion terms
  • Instability secondary to old ligament injury
  • Ligamentous laxity NOS
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
  • Disorder (of) — see also Disease
Alongside this code 8 same parent — M24.2
M24.20 Disorder of ligament, unspecified site M24.22 Disorder of ligament, elbow category M24.23 Disorder of ligament, wrist category M24.24 Disorder of ligament, hand category M24.25 Disorder of ligament, hip category M24.27 Disorder of ligament, ankle and foot category M24.28 Disorder of ligament, vertebrae M24.29 Disorder of ligament, other specified site
Subordinate codes 3
M24.211 Disorder of ligament, right shoulder M24.212 Disorder of ligament, left shoulder M24.219 Disorder of ligament, unspecified shoulder
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
M24.2
Block
M00-M25
Siblings
8
Subordinate
3

Present FY2024–FY2027.