M84.3 Stress fracture

Fatigue fracture

March fracture

Stress fracture NOS

Stress reaction

External cause code(s) to identify the cause of the stress fracture

Pathological fracture NOS (M84.4.-)

Pathological fracture due to osteoporosis (M80.-)

Traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)

Personal history of (healed) stress (fatigue) fracture (Z87.312)

Stress fracture of vertebra (M48.4-)

The appropriate 7th character is to be added to each code from subcategory M84.3:

A: initial encounter for fracture

D: subsequent encounter for fracture with routine healing

G: subsequent encounter for fracture with delayed healing

K: subsequent encounter for fracture with nonunion

P: subsequent encounter for fracture with malunion

S: sequela