M84.3
Stress fracture
Code Hierarchy
7th Character Required
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
Coding Guidelines
Inclusion Terms
- Fatigue fracture
- March fracture
- Stress fracture NOS
- Stress reaction
Excludes1 (Mutually Exclusive)
These codes should never be used together with M84.3
- pathological fracture NOS (M84.4.-)
- pathological fracture due to osteoporosis (M80.-)
- traumatic fracture (S12.-, S22.-, S32.-, S42.-, S52.-, S62.-, S72.-, S82.-, S92.-)
Excludes2 (Not Included Here)
These conditions are not part of this code but may be reported additionally if documented
- Z87.312 - personal history of (healed) stress (fatigue) fracture (Z87.312)
- stress fracture of vertebra (M48.4-)
Use Additional Code
- external cause code(s) to identify the cause of the stress fracture
Specific Codes (9)
Stress fracture, unspecified site
Stress fracture, shoulder
Stress fracture, humerus
Stress fracture, ulna and radius
Stress fracture, hand and fingers
Stress fracture, pelvis and femur
Stress fracture, tibia and fibula
Stress fracture, ankle, foot and toes
Stress fracture, other site
Related Codes
Pathological fracture, not elsewhere classified
Pathological fracture in neoplastic disease
Pathological fracture in other disease
Nontraumatic fracture, not elsewhere classified
Other disorders of continuity of bone
Disorder of continuity of bone, unspecified
