Deficient development or degeneration of a portion of the vertebra, usually in the pars interarticularis the bone bridge between the superior and inferior facet joints of the lumbar vertebrae) leading to spondylolisthesis.
M43.0 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM M43.0 became effective on October 1, 2022.
This is the American ICD-10-CM version of M43.0 – other international versions of ICD-10 M43.0 may differ.