M83.9
BillableAdult osteomalacia, unspecified
HCC Category Mapping
RxHCCHCC 87 — Osteoporosis, Vertebral and Pathological Fractures
0.000What This Code Means
Adult osteomalacia (soft, weak bones) when the specific cause is not documented or determined.
Coding Tips
- •This is a default code; attempt to determine the underlying cause for more specific coding
- •Query the provider if additional clinical information is available to assign a more specific M83 code
Clinical Significance
Adult osteomalacia unspecified represents bone softening when the underlying cause has not been determined or documented, indicating need for further diagnostic workup to identify treatable causes. This diagnosis suggests incomplete evaluation that may benefit from additional testing and specialist consultation.
Documentation Requirements
- ✓Documentation of osteomalacia without specified cause
- ✓Clinical or radiographic evidence of bone softening
- ✓Absence of documentation of specific etiology
- ✓Laboratory studies consistent with osteomalacia
- ✓Plan for further diagnostic evaluation when appropriate
- ✓Treatment addressing symptomatic bone disease
- ✓Follow-up to determine underlying cause
Commonly Confused Codes
M831 — Senile osteomalacia (when age is clear factor)M832 — Osteomalacia due to malabsorption (when GI cause known)M833 — Osteomalacia due to malnutrition (when nutritional cause known)M838 — Other adult osteomalacia (specific but uncommon causes)M810 — Age-related osteoporosis (density vs. mineralization)