M25.31

Other instability, shoulder

FY2027Chapter 13: Diseases of the musculoskeletal system and connective tissue/M20–M25 Other joint disorders

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

M25.31 is a non-billable ICD-10-CM code header for other instability, shoulder. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are M25.311 Other instability, right shoulder; M25.312 Other instability, left shoulder and M25.319 Other instability, unspecified shoulder. Its coding notes include 2 Excludes1 entries and 19 Excludes2 entries.

Excludes1

Not coded here. The listed conditions generally should not be reported together.

Inherited from M25.3 Other instability of joint
  • 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. Both codes may be reported if the patient has both conditions.

Inherited from M25.3 Other instability of joint
Inherited from M25 Other joint disorder, not elsewhere classified
  • 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-)
Also from chapter/block level (11 notes)
Inherited from M20–M25 Other joint disorders
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • arthropathic psoriasis (L40.5-)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • compartment syndrome (traumatic) (T79.A-)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

Also from chapter/block level (1 note)
Inherited from Chapter 13 Diseases of the musculoskeletal system and connective tissue
  • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

Alphabetic Index terms

Terms the official Alphabetic Index lists for this code. 1 entry

More specific codes under M25.31 3