M25.642

Stiffness of left hand, not elsewhere classified

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

BillableComplete code, valid to report

M25.642 (also written M25642) is a billable ICD-10-CM diagnosis code for stiffness of left hand, not elsewhere classified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 225 codes in category M25 (Other joint disorder, not elsewhere classified). Its coding notes include 2 Excludes1 entries and 18 Excludes2 entries.

Excludes1

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

Inherited from M25.6 Stiffness of joint, not elsewhere classified

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

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