M84.339D

Stress fracture, unspecified ulna and radius, subsequent encounter for fracture with routine healing

FY2027Chapter 13: Diseases of the musculoskeletal system and connective tissue/M80–M85 Disorders of bone density and structure

BillableComplete code, valid to report

M84.339D (also written M84339D) is a billable ICD-10-CM diagnosis code for stress fracture, unspecified ulna and radius, subsequent encounter for fracture with routine healing. 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, D, means subsequent encounter for fracture with routine healing. 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 M84.339D 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.

Inherited from M84.3 Stress fracture

Excludes2

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

Inherited from M84.3 Stress fracture
  • personal history of (healed) stress (fatigue) fracture (Z87.312)
  • stress fracture of vertebra (M48.4-)
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