M84.369A
Stress fracture, unspecified tibia and fibula, initial encounter for fracture
M84.369A (also written M84369A) is a billable ICD-10-CM diagnosis code for stress fracture, unspecified tibia and fibula, initial encounter for fracture. 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, A, means initial encounter for fracture. 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.
Use additional code
Add the listed code as a secondary code, if known.
- 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.
- traumatic fracture of bone-see fracture, by site
Also from chapter/block level (10 notes)
- 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)
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition