M43.1 Spondylolisthesis

Not billable (header)Chapter 13

Report one of the more specific codes below.

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Codes under this one

M43.10 Spondylolisthesis, site unspecified
M43.11 Spondylolisthesis, occipito-atlanto-axial region
M43.12 Spondylolisthesis, cervical region
M43.13 Spondylolisthesis, cervicothoracic region
M43.14 Spondylolisthesis, thoracic region
M43.15 Spondylolisthesis, thoracolumbar region
M43.16 Spondylolisthesis, lumbar region
M43.17 Spondylolisthesis, lumbosacral region
M43.18 Spondylolisthesis, sacral and sacrococcygeal region
M43.19 Spondylolisthesis, multiple sites in spine

Instructional notes

Chapter 13

Excludes2Not included here: the patient may have both; report both when both are present.

arthropathic psoriasis (L40.5-)
certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
compartment syndrome (traumatic) (T79.A-)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Notes

Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition

M43

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

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.-)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.

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

Chapter 13: Diseases of the musculoskeletal system and connective tissue · M40-M54 Dorsopathies (M40-M54)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.