M54.0 Header — not billable

Panniculitis affecting regions of neck and back

Panniculitis affecting regions of neck and back

M54.0 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.

M54.00
Panniculitis affecting regions of neck and back, site unsp

Inflammation of the subcutaneous fat (panniculitis) affecting the neck and back region, coded when the precise spinal site is not documented or cannot be determined.

M54.01
Panniculitis aff regions of neck/bk, occipt-atlan-ax region

Inflammation of the subcutaneous fat layer (panniculitis) localized to the occipito-atlanto-axial region — the junction where the occiput meets C1 (atlas) and C2 (axis) at the upper cervical spine.

M54.02
Panniculitis affecting regions of neck/bk, cervical region

Panniculitis affecting the cervical region of the spine — inflammation of the subcutaneous fat tissue localized to the neck segment of the back, classified under dorsopathies.

M54.03
Panniculitis aff regions of neck/bk, cervicothor region

Inflammation of the subcutaneous fat (panniculitis) localized to the cervicothoracic region — the junction of the cervical and thoracic spine, roughly C7–T1 — causing dorsal pain in the lower neck and upper back.

M54.04
Panniculitis affecting regions of neck/bk, thoracic region

Inflammation of the subcutaneous fat (panniculitis) localized to the thoracic region of the neck and back, classified under dorsopathies in ICD-10-CM Chapter 13.

M54.05
Panniculitis affecting regions of neck/bk, thoracolum region

Inflammation of subcutaneous fat (panniculitis) localized to the thoracolumbar region of the spine — the junction zone where the thoracic and lumbar segments meet, roughly T10–L2.

M54.06
Panniculitis affecting regions of neck/bk, lumbar region

Inflammation of the subcutaneous fat layer (panniculitis) localized to the lumbar region of the back, classified under dorsopathies affecting the neck and back.

M54.07
Panniculitis affecting regions of neck/bk, lumbosacr region

Inflammation of the subcutaneous fat tissue (panniculitis) localized to the lumbosacral segment of the spine, classified under dorsopathies affecting the neck and back region.

M54.08
Panniculitis aff regions of neck/bk, sacr/sacrocygl region

Subcutaneous fat inflammation (panniculitis) localized to the sacral and sacrococcygeal region, classified under dorsalgia within the musculoskeletal chapter.

M54.09
Panniculitis aff regions, neck/bk, multiple sites in spine

Panniculitis affecting multiple sites in the spine across the neck and back regions — inflammation of subcutaneous fat tissue spanning more than one spinal zone simultaneously.

Inclusion & exclusion notes

Excludes 1 (mutually exclusive — never code together)

  • lupus panniculitis (L93.2)
  • panniculitis NOS (M79.3)
  • relapsing [Weber-Christian] panniculitis (M35.6)

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