M84.4
Pathological fracture, not elsewhere classified
Code Hierarchy
7th Character Required
The appropriate 7th character is to be added to each code from subcategory M84.4:
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
- Chronic fracture
- Pathological fracture NOS
Excludes1 (Mutually Exclusive)
These codes should never be used together with M84.4
- M48.5 - collapsed vertebra NEC (M48.5)
- pathological fracture in neoplastic disease (M84.5-)
- pathological fracture in osteoporosis (M80.-)
- pathological fracture in other disease (M84.6-)
- stress fracture (M84.3-)
- 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
- Z87.311 - personal history of (healed) pathological fracture (Z87.311)
Specific Codes (9)
Pathological fracture, unspecified site
Pathological fracture, shoulder
Pathological fracture, humerus
Pathological fracture, ulna and radius
Pathological fracture, hand and fingers
Pathological fracture, femur and pelvis
Pathological fracture, tibia and fibula
Pathological fracture, ankle, foot and toes
Pathological fracture, other site
Related Codes
Stress fracture
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


