M43.2
Fusion of spine
Not billable — category only FY2026 2025-10-01 → 2026-09-30
Exclusions 22 never code together
M43code
Excludes1
- congenital spondylolysis and spondylolisthesis (Q76.2)Q76.2
- hemivertebra (Q76.3-Q76.4)Q76.3-Q76.4
- Klippel-Feil syndrome (Q76.1)Q76.1
- lumbarization and sacralization (Q76.4)Q76.4
- platyspondylisis (Q76.4)Q76.4
- spina bifida occulta (Q76.0)Q76.0
- spinal curvature in osteoporosis (M80.-)M80.-
- spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)M88.-
M43.2code
M00-M99chapter
Excludes2
- arthropathic psoriasis (L40.5-)L40.5-
- certain conditions originating in the perinatal period (P04-P96)P04-P96
- certain infectious and parasitic diseases (A00-B99)A00-B99
- compartment syndrome (traumatic) (T79.A-)T79.A-
- complications of pregnancy, childbirth and the puerperium (O00-O9A)O00-O9A
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)Q00-Q99
- endocrine, nutritional and metabolic diseases (E00-E88)E00-E88
- injury, poisoning and certain other consequences of external causes (S00-T88)S00-T88
- neoplasms (C00-D49)C00-D49
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)R00-R94
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 2
Index entries leading here filed at null
No alphabetic index entry points at this code.
Alongside this code 8 same parent — M43
M43.0 Spondylolysis category M43.1 Spondylolisthesis category M43.3 Recurrent atlantoaxial dislocation with myelopathy M43.4 Other recurrent atlantoaxial dislocation M43.5 Other recurrent vertebral dislocation category M43.6 Torticollis M43.8 Other specified deforming dorsopathies category M43.9 Deforming dorsopathy, unspecified
Subordinate codes 9
M43.20 Fusion of spine, site unspecified M43.21 Fusion of spine, occipito-atlanto-axial region M43.22 Fusion of spine, cervical region M43.23 Fusion of spine, cervicothoracic region M43.24 Fusion of spine, thoracic region M43.25 Fusion of spine, thoracolumbar region M43.26 Fusion of spine, lumbar region M43.27 Fusion of spine, lumbosacral region M43.28 Fusion of spine, sacral and sacrococcygeal region
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.