M84.339D
Stress fracture, unspecified ulna and radius, subsequent encounter for fracture with routine healing
Billable FY2026 2025-10-01 → 2026-09-30
This is the unspecified option. 5 more
specific codes sit alongside it. Worth
checking whether the documentation supports one of them.
Exclusions 16 never code together
M84code
Excludes2
- traumatic fracture of bone-see fracture, by site
M84.3code
Excludes1
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.
7th character 6
A initial encounter for fracture
D subsequent encounter for fracture with routine healing this code
G subsequent encounter for fracture with delayed healing
K subsequent encounter for fracture with nonunion
P subsequent encounter for fracture with malunion
S sequela
Instructional notes 6
M84.3code
Inclusion terms
- Fatigue fracture
- March fracture
- Stress fracture NOS
- Stress reaction
Use additional code
- external cause code(s) to identify the cause of the stress fracture
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
Alongside this code 5 same parent — M84.339
M84.339A Stress fracture, unsp ulna and radius, init for fx M84.339G Stress fx, unsp ulna and radius, subs for fx w delay heal M84.339K Stress fx, unsp ulna and radius, subs for fx w nonunion M84.339P Stress fx, unsp ulna and radius, subs for fx w malunion M84.339S Stress fracture, unspecified ulna and radius, sequela
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.