M46.2 Header — not billable

Osteomyelitis of vertebra

Osteomyelitis of vertebra

M46.2 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.

M46.20
Osteomyelitis of vertebra, site unspecified

Vertebral osteomyelitis with no spinal region documented — use only when the treating clinician has not specified which section of the spine is affected.

M46.21
Osteomyelitis of vertebra, occipito-atlanto-axial region

Bacterial or fungal infection of the vertebral bone at the occipito-atlanto-axial region — the anatomical junction encompassing the occiput (C0), atlas (C1), and axis (C2) — producing active osteomyelitis of the uppermost cervical spine.

M46.22
Osteomyelitis of vertebra, cervical region

Bacterial or other microbial infection of the vertebral bone body within the cervical spine (C1–C7), classified under other inflammatory spondylopathies.

M46.23
Osteomyelitis of vertebra, cervicothoracic region

Bacterial or other microbial infection of vertebral bone at the cervicothoracic junction (C7–T1 transition zone), classified under other inflammatory spondylopathies.

M46.24
Osteomyelitis of vertebra, thoracic region

Bacterial or hematogenous infection of one or more vertebral bodies localized to the thoracic spine (T1–T12), classified under other inflammatory spondylopathies.

M46.25
Osteomyelitis of vertebra, thoracolumbar region

Infectious inflammation of vertebral bone tissue specifically involving the thoracolumbar junction (T12-L1 region), classified under other inflammatory spondylopathies.

M46.26
Osteomyelitis of vertebra, lumbar region

Bacterial or hematogenous infection of the vertebral bone body confined to the lumbar spinal region (L1–L5), classified under other inflammatory spondylopathies.

M46.27
Osteomyelitis of vertebra, lumbosacral region

M46.27 captures bone infection (osteomyelitis) localized to the vertebrae of the lumbosacral region — specifically the junction of the lumbar spine and sacrum (L5-S1 level and associated structures).

M46.28
Osteomyelitis of vertebra, sacral and sacrococcygeal region

Bacterial or other microbial infection involving the osseous structures of the sacral vertebrae and/or the sacrococcygeal junction, classified under other inflammatory spondylopathies.

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