M84.339S
Stress fracture, unspecified ulna and radius, sequela
BillableComplete code, valid to report
M84.339S (also written M84339S) is a billable ICD-10-CM diagnosis code for stress fracture, unspecified ulna and radius, sequela. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 928 codes in category M84 (Disorder of continuity of bone). Its 7th character, S, means sequela. Its coding notes include a Use additional code instruction, 3 Excludes1 entries and 13 Excludes2 entries.
7th character
Category M84.3 requires a 7th character.
Assembled code
Open code
Use additional code
Add the listed code as a secondary code, if known.
Inherited from M84.3 Stress fracture
- external cause code(s) to identify the cause of the stress fracture
Excludes1
Not coded here. The listed conditions generally should not be reported together.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Inherited from M84.3 Stress fracture
Inherited from M84 Disorder of continuity of bone
- traumatic fracture of bone-see fracture, by site
Also from chapter/block level (10 notes)
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