ICD-10-CM > M00-M99 > M70-M79 > M79 > M79.3 M79.3 Panniculitis, unspecified Billable/Specific Copy Code Copy Description Type 1 Excludes lupus panniculitis (L93.2)neck and back panniculitis (M54.0-)relapsing [Weber-Christian] panniculitis (M35.6)