M43.20
✓ BillableFusion of spine, site unspecified
Diseases of the musculoskeletal system and connective tissue (M00-M99)
❌ Excludes1
inherited from M43.2Rules from parent category M43.2: Fusion of spine
- • ankylosing spondylitis (M45.0-)
- • congenital fusion of spine (Q76.4)
⚠️ Excludes2
inherited from M43.2Rules from parent category M43.2: Fusion of spine
- • arthrodesis status (Z98.1)
- • pseudoarthrosis after fusion or arthrodesis (M96.0)
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CodeM43.20
BillableYes
ParentM43.2
CategoryDiseases of the musculoskeletal system and connective tissue (M00-M99)
Excludes12 rule(s)
Excludes22 note(s)
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)