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M43.11

M43.11: Spondylolisthesis, occipito-atlanto-axial region

Billable / specific codeICD-10-CM

M43.11 is a billable, specific ICD-10-CM code for spondylolisthesis, occipito-atlanto-axial region. It is valid for submission on a claim.

Check M43.11 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above M43.11

A category’s note binds every code beneath it.

Written on M43.1: Spondylolisthesis

  • acute traumatic of lumbosacral region (S33.1)
  • acute traumatic of sites other than lumbosacral- code to Fracture, vertebra, by region
  • congenital spondylolisthesis (Q76.2)

Written on 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.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

M43.11 is named in 17 Medicare coverage policies: 10 listing it as supporting medical necessity, and 7 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A58865Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58883Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A58893Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered
  • A59374Billing and Coding: Amniotic and Placental-Derived Product Injections and/or Applications for Musculoskeletal Indications, Non-Woundnot covered

Alphabetic index entries that lead here

  • Spondylolisthesis›occipito-atlanto-axial region

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under M43.1

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.