Other specified inflammatory spondylopathies
Other specified inflammatory spondylopathies
M46.8 is a header (parent) code in the ICD-10-CM hierarchy. It is not billable for claim submission. Use one of the billable child codes listed below.
Billable codes in this category
Each of the codes below is billable. Choose the one that most accurately describes the patient's diagnosis.
M46.80 classifies a documented inflammatory spondylopathy that is specified by type but lacks documentation of which spinal region is affected.
M46.81 designates an inflammatory spondylopathy of the occipito-atlanto-axial region — the C0–C1–C2 junction — that does not fit a more precisely defined inflammatory category such as ankylosing spondylitis or reactive arthritis.
Inflammatory spondylopathy of the cervical spine that does not fit a more precisely defined category such as ankylosing spondylitis or reactive arthritis — a residual classification for documented cervical inflammatory spinal disease.
M46.83 captures inflammatory spondylopathies of the cervicothoracic spine (C7-T1 junction) that are specified in the clinical record but do not map to a more precise code within the M46 category.
Inflammatory condition of the thoracic spine vertebrae or surrounding structures that does not fit a more precisely classified diagnosis within the M46 category, localized to the T1–T12 vertebral region.
M46.85 identifies inflammatory spondylopathies of the thoracolumbar region — specifically the T12–L1 junction — that are classified as 'other specified,' meaning the condition is documented and defined but doesn't fit a more precise M46 subcategory such as ankylosing spondylitis or discitis.
M46.86 captures inflammatory spondylopathies of the lumbar spine that are confirmed but do not fit a more precisely defined category such as ankylosing spondylitis (M45) or reactive arthritis. It is a billable, site-specific code under the M46.8 'other specified' parent.
M46.87 classifies inflammatory spondylopathies of the lumbosacral region that are specified but do not fit any named inflammatory spondylopathy category — such as ankylosing spondylitis (M45) or sacroiliitis (M46.1) — when the pathology involves the L5-S1 junction and surrounding structures.
Inflammatory disease of the sacral or sacrococcygeal spine that is specified by the clinician but does not map to a more precise inflammatory spondylopathy code in the M46 category.
M46.89 identifies an inflammatory spondylopathy of a specified type that does not fit a more precise M46 category and that affects two or more distinct spinal regions simultaneously.