Code	Title
M00-M99	Diseases of the musculoskeletal system and connective tissue (M00-M99)
M50-M54	Other dorsopathies (M50-M54)
M54	Dorsalgia Type 1 Excludes psychogenic dorsalgia (F45.41)
M54.0	Panniculitis affecting regions of neck and back
M54.00	Panniculitis affecting regions of neck and back, site unspecified
M54.01	Panniculitis affecting regions of neck and back, occipito-atlanto-axial region
M54.02	Panniculitis affecting regions of neck and back, cervical region
M54.03	Panniculitis affecting regions of neck and back, cervicothoracic region
M54.04	Panniculitis affecting regions of neck and back, thoracic region
M54.05	Panniculitis affecting regions of neck and back, thoracolumbar region
M54.06	Panniculitis affecting regions of neck and back, lumbar region
M54.07	Panniculitis affecting regions of neck and back, lumbosacral region
M54.08	Panniculitis affecting regions of neck and back, sacral and sacrococcygeal region
M54.09	Panniculitis affecting regions, neck and back, multiple sites in spine
M54.1	Radiculopathy
M54.10	Radiculopathy, site unspecified
M54.11	Radiculopathy, occipito-atlanto-axial region
M54.12	Radiculopathy, cervical region
M54.13	Radiculopathy, cervicothoracic region
M54.14	Radiculopathy, thoracic region
M54.15	Radiculopathy, thoracolumbar region
M54.16	Radiculopathy, lumbar region
M54.17	Radiculopathy, lumbosacral region
M54.18	Radiculopathy, sacral and sacrococcygeal region
M54.2	Cervicalgia
M54.3	Sciatica
M54.30	Sciatica, unspecified side
M54.31	Sciatica, right side
M54.32	Sciatica, left side
M54.4	Lumbago with sciatica
M54.40	Lumbago with sciatica, unspecified side
M54.41	Lumbago with sciatica, right side
M54.42	Lumbago with sciatica, left side
M54.5	Low back pain
M54.50	Low back pain, unspecified
M54.51	Vertebrogenic low back pain
M54.59	Other low back pain
M54.6	Pain in thoracic spine
M54.8	Other dorsalgia
M54.81	Occipital neuralgia
M54.89	Other dorsalgia
M54.9	Dorsalgia, unspecified