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M85.43

⚠ Non-billable (Header)

Solitary bone cyst, ulna and radius

Diseases of the musculoskeletal system and connective tissue (M00-M99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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⚠️ Excludes2

inherited from M85.4

Rules from parent category M85.4: Solitary bone cyst

  • • solitary cyst of jaw (M27.4)

Child Codes (3)

M85.431Solitary bone cyst, right ulna and radiusM85.432Solitary bone cyst, left ulna and radiusM85.439Solitary bone cyst, unspecified ulna and radius

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Code Information

CodeM85.43
BillableNo — Header code
ParentM85.4
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes10 rule(s)
Excludes21 note(s)
Child codes3

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)