M54.01 Panniculitis affecting regions of neck and back, occipito-atlanto-axial region
ICD-10-CM · CMS code reference
M54.01 is panniculitis, inflammation of the fat layer under the skin, in the neck and back area at the occipito-atlanto-axial region, where the top of the neck meets the skull. If it is documented as lupus panniculitis, use L93.2 instead.
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- lupus panniculitis (L93.2)
- panniculitis NOS (M79.3)
- relapsing [Weber-Christian] panniculitis (M35.6)
- psychogenic dorsalgia (F45.41)
- current injury - see injury of spine by body region
- discitis NOS (M46.4-)
Related codes
M54.00Panniculitis affecting regions of neck and back, site unspecified ICD-10-CMM54.02Panniculitis affecting regions of neck and back, cervical region ICD-10-CMM54.03Panniculitis affecting regions of neck and back, cervicothoracic region ICD-10-CMM54.04Panniculitis affecting regions of neck and back, thoracic region ICD-10-CMM54.05Panniculitis affecting regions of neck and back, thoracolumbar region ICD-10-CMM54.06Panniculitis affecting regions of neck and back, lumbar region ICD-10-CMM54.07Panniculitis affecting regions of neck and back, lumbosacral region ICD-10-CMM54.08Panniculitis affecting regions of neck and back, sacral and sacrococcygeal region ICD-10-CM
Common questions
Is M54.01 a billable code?
Yes. M54.01 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.