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M43.0

⚠ Non-billable (Header)

Spondylolysis

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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❌ Excludes1

direct

Cannot be coded with M43.0

• congenital spondylolysis (Q76.2)
• spondylolisthesis (M43.1)

❌ Excludes1

inherited from M43

Rules from parent category M43: Other deforming dorsopathies

• congenital spondylolysis and spondylolisthesis (Q76.2)
• hemivertebra (Q76.3-Q76.4)
• Klippel-Feil syndrome (Q76.1)
• lumbarization and sacralization (Q76.4)
• platyspondylisis (Q76.4)
• spina bifida occulta (Q76.0)
• spinal curvature in osteoporosis (M80.-)
• spinal curvature in Paget's disease of bone [osteitis deformans] (M88.-)

Child Codes (10)

M43.00Spondylolysis, site unspecified✓ Billable M43.01Spondylolysis, occipito-atlanto-axial region✓ Billable M43.02Spondylolysis, cervical region✓ Billable M43.03Spondylolysis, cervicothoracic region✓ Billable M43.04Spondylolysis, thoracic region✓ Billable M43.05Spondylolysis, thoracolumbar region✓ Billable M43.06Spondylolysis, lumbar region✓ Billable M43.07Spondylolysis, lumbosacral region✓ Billable M43.08Spondylolysis, sacral and sacrococcygeal region✓ Billable M43.09Spondylolysis, multiple sites in spine✓ Billable

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Code Information

CodeM43.0

BillableNo — Header code

ParentM43

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

Excludes110 rule(s)

Excludes20 note(s)

Child codes10

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)