Other dorsopathies (M50-M54)

M50Cervical disc disorders
Includes: cervicothoracic disc disorders with cervicalgia
› cervicothoracic disc disorders

M50.0Cervical disc disorder with myelopathy

M50.00Cervical disc disorder with myelopathy, unspecified cervical region

M50.01Cervical disc disorder with myelopathy, high cervical region
› C2-C3 disc disorder with myelopathy
› C3-C4 disc disorder with myelopathy

M50.02Cervical disc disorder with myelopathy, mid-cervical region

M50.020Cervical disc disorder with myelopathy, mid-cervical region, unspecified level

M50.021Cervical disc disorder at C4-C5 level with myelopathy
› C4-C5 disc disorder with myelopathy

M50.022Cervical disc disorder at C5-C6 level with myelopathy
› C5-C6 disc disorder with myelopathy

M50.023Cervical disc disorder at C6-C7 level with myelopathy
› C6-C7 disc disorder with myelopathy

M50.03Cervical disc disorder with myelopathy, cervicothoracic region
› C7-T1 disc disorder with myelopathy

M50.1Cervical disc disorder with radiculopathy
Excludes 2: brachial radiculitis NOS (M54.13)

M50.10Cervical disc disorder with radiculopathy, unspecified cervical region

M50.11Cervical disc disorder with radiculopathy, high cervical region
› C2-C3 disc disorder with radiculopathy
› C3 radiculopathy due to disc disorder
› C3-C4 disc disorder with radiculopathy
› C4 radiculopathy due to disc disorder

M50.12Cervical disc disorder with radiculopathy, mid-cervical region

M50.120Mid-cervical disc disorder, unspecified level

M50.121Cervical disc disorder at C4-C5 level with radiculopathy
› C4-C5 disc disorder with radiculopathy
› C5 radiculopathy due to disc disorder

M50.122Cervical disc disorder at C5-C6 level with radiculopathy
› C5-C6 disc disorder with radiculopathy
› C6 radiculopathy due to disc disorder

M50.123Cervical disc disorder at C6-C7 level with radiculopathy
› C6-C7 disc disorder with radiculopathy
› C7 radiculopathy due to disc disorder

M50.13Cervical disc disorder with radiculopathy, cervicothoracic region
› C7-T1 disc disorder with radiculopathy
› C8 radiculopathy due to disc disorder

M50.2Other cervical disc displacement

M50.20Other cervical disc displacement, unspecified cervical region

M50.21Other cervical disc displacement, high cervical region
› Other C2-C3 cervical disc displacement
› Other C3-C4 cervical disc displacement

M50.22Other cervical disc displacement, mid-cervical region

M50.220Other cervical disc displacement, mid-cervical region, unspecified level

M50.221Other cervical disc displacement at C4-C5 level
› Other C4-C5 cervical disc displacement

M50.222Other cervical disc displacement at C5-C6 level
› Other C5-C6 cervical disc displacement

M50.223Other cervical disc displacement at C6-C7 level
› Other C6-C7 cervical disc displacement

M50.23Other cervical disc displacement, cervicothoracic region
› Other C7-T1 cervical disc displacement

M50.3Other cervical disc degeneration

M50.30Other cervical disc degeneration, unspecified cervical region

M50.31Other cervical disc degeneration, high cervical region
› Other C2-C3 cervical disc degeneration
› Other C3-C4 cervical disc degeneration

M50.32Other cervical disc degeneration, mid-cervical region

M50.320Other cervical disc degeneration, mid-cervical region, unspecified level

M50.321Other cervical disc degeneration at C4-C5 level
› Other C4-C5 cervical disc degeneration

M50.322Other cervical disc degeneration at C5-C6 level
› Other C5-C6 cervical disc degeneration

M50.323Other cervical disc degeneration at C6-C7 level
› Other C6-C7 cervical disc degeneration

M50.33Other cervical disc degeneration, cervicothoracic region
› Other C7-T1 cervical disc degeneration

M50.8Other cervical disc disorders

M50.80Other cervical disc disorders, unspecified cervical region

M50.81Other cervical disc disorders, high cervical region
› Other C2-C3 cervical disc disorders
› Other C3-C4 cervical disc disorders

M50.82Other cervical disc disorders, mid-cervical region

M50.820Other cervical disc disorders, mid-cervical region, unspecified level

M50.821Other cervical disc disorders at C4-C5 level
› Other C4-C5 cervical disc disorders

M50.822Other cervical disc disorders at C5-C6 level
› Other C5-C6 cervical disc disorders

M50.823Other cervical disc disorders at C6-C7 level
› Other C6-C7 cervical disc disorders

M50.83Other cervical disc disorders, cervicothoracic region
› Other C7-T1 cervical disc disorders

M50.9Cervical disc disorder, unspecified

M50.90Cervical disc disorder, unspecified, unspecified cervical region

M50.91Cervical disc disorder, unspecified, high cervical region
› C2-C3 cervical disc disorder, unspecified
› C3-C4 cervical disc disorder, unspecified

M50.92Cervical disc disorder, unspecified, mid-cervical region

M50.920Unspecified cervical disc disorder, mid-cervical region, unspecified level

M50.921Unspecified cervical disc disorder at C4-C5 level
› Unspecified C4-C5 cervical disc disorder

M50.922Unspecified cervical disc disorder at C5-C6 level
› Unspecified C5-C6 cervical disc disorder

M50.923Unspecified cervical disc disorder at C6-C7 level
› Unspecified C6-C7 cervical disc disorder

M50.93Cervical disc disorder, unspecified, cervicothoracic region
› C7-T1 cervical disc disorder, unspecified

M51Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders
Excludes 2: cervical and cervicothoracic disc disorders (M50.-)
› sacral and sacrococcygeal disorders (M53.3)

M51.0Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with myelopathy

M51.04Intervertebral disc disorders with myelopathy, thoracic region

M51.05Intervertebral disc disorders with myelopathy, thoracolumbar region

M51.06Intervertebral disc disorders with myelopathy, lumbar region

M51.1Thoracic, thoracolumbar and lumbosacral intervertebral disc disorders with radiculopathy
› Sciatica due to intervertebral disc disorder
Excludes 1: lumbar radiculitis NOS (M54.16)
› sciatica NOS (M54.3)

M51.14Intervertebral disc disorders with radiculopathy, thoracic region

M51.15Intervertebral disc disorders with radiculopathy, thoracolumbar region

M51.16Intervertebral disc disorders with radiculopathy, lumbar region

M51.17Intervertebral disc disorders with radiculopathy, lumbosacral region

M51.2Other thoracic, thoracolumbar and lumbosacral intervertebral disc displacement
› Lumbago due to displacement of intervertebral disc

M51.24Other intervertebral disc displacement, thoracic region

M51.25Other intervertebral disc displacement, thoracolumbar region

M51.26Other intervertebral disc displacement, lumbar region

M51.27Other intervertebral disc displacement, lumbosacral region

M51.3Other thoracic, thoracolumbar and lumbosacral intervertebral disc degeneration

M51.34Other intervertebral disc degeneration, thoracic region

M51.35Other intervertebral disc degeneration, thoracolumbar region

M51.36Other intervertebral disc degeneration, lumbar region

M51.37Other intervertebral disc degeneration, lumbosacral region

M51.4Schmorl's nodes

M51.44Schmorl's nodes, thoracic region

M51.45Schmorl's nodes, thoracolumbar region

M51.46Schmorl's nodes, lumbar region

M51.47Schmorl's nodes, lumbosacral region

M51.8Other thoracic, thoracolumbar and lumbosacral intervertebral disc disorders

M51.84Other intervertebral disc disorders, thoracic region

M51.85Other intervertebral disc disorders, thoracolumbar region

M51.86Other intervertebral disc disorders, lumbar region

M51.87Other intervertebral disc disorders, lumbosacral region

M51.9Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder

M51.AOther lumbar and lumbosacral annulus fibrosus disc defects

M51.A0Intervertebral annulus fibrosus defect, lumbar region, unspecified size
Code First: , if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)

M51.A1Intervertebral annulus fibrosus defect, small, lumbar region
Code First: , if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)

M51.A2Intervertebral annulus fibrosus defect, large, lumbar region
Code First: , if applicable, lumbar disc herniation (M51.06, M51.16, M51.26)

M51.A3Intervertebral annulus fibrosus defect, lumbosacral region, unspecified size
Code First: , if applicable, lumbosacral disc herniation (M51.17, M51.27)

M51.A4Intervertebral annulus fibrosus defect, small, lumbosacral region
Code First: , if applicable, lumbosacral disc herniation (M51.17, M51.27)

M51.A5Intervertebral annulus fibrosus defect, large, lumbosacral region
Code First: , if applicable, lumbosacral disc herniation (M51.17, M51.27)

M53Other and unspecified dorsopathies, not elsewhere classified

M53.0Cervicocranial syndrome
› Posterior cervical sympathetic syndrome

M53.1Cervicobrachial syndrome
Excludes 2: cervical disc disorder (M50.-)
› thoracic outlet syndrome (G54.0)

M53.2Spinal instabilities

M53.2XSpinal instabilities

M53.2X1Spinal instabilities, occipito-atlanto-axial region

M53.2X2Spinal instabilities, cervical region

M53.2X3Spinal instabilities, cervicothoracic region

M53.2X4Spinal instabilities, thoracic region

M53.2X5Spinal instabilities, thoracolumbar region

M53.2X6Spinal instabilities, lumbar region

M53.2X7Spinal instabilities, lumbosacral region

M53.2X8Spinal instabilities, sacral and sacrococcygeal region

M53.2X9Spinal instabilities, site unspecified

M53.3Sacrococcygeal disorders, not elsewhere classified
› Coccygodynia

M53.8Other specified dorsopathies

M53.80Other specified dorsopathies, site unspecified

M53.81Other specified dorsopathies, occipito-atlanto-axial region

M53.82Other specified dorsopathies, cervical region

M53.83Other specified dorsopathies, cervicothoracic region

M53.84Other specified dorsopathies, thoracic region

M53.85Other specified dorsopathies, thoracolumbar region

M53.86Other specified dorsopathies, lumbar region

M53.87Other specified dorsopathies, lumbosacral region

M53.88Other specified dorsopathies, sacral and sacrococcygeal region

M53.9Dorsopathy, unspecified

M54Dorsalgia
Excludes 1: psychogenic dorsalgia (F45.41)

M54.0Panniculitis affecting regions of neck and back
Excludes 1: lupus panniculitis (L93.2)
› panniculitis NOS (M79.3)
› relapsing [Weber-Christian] panniculitis (M35.6)

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

M54.01Panniculitis affecting regions of neck and back, occipito-atlanto-axial region

M54.02Panniculitis affecting regions of neck and back, cervical region

M54.03Panniculitis affecting regions of neck and back, cervicothoracic region

M54.04Panniculitis affecting regions of neck and back, thoracic region

M54.05Panniculitis affecting regions of neck and back, thoracolumbar region

M54.06Panniculitis affecting regions of neck and back, lumbar region

M54.07Panniculitis affecting regions of neck and back, lumbosacral region

M54.08Panniculitis affecting regions of neck and back, sacral and sacrococcygeal region

M54.09Panniculitis affecting regions, neck and back, multiple sites in spine

M54.1Radiculopathy
› Brachial neuritis or radiculitis NOS
› Lumbar neuritis or radiculitis NOS
› Lumbosacral neuritis or radiculitis NOS
› Thoracic neuritis or radiculitis NOS
› Radiculitis NOS
Excludes 1: neuralgia and neuritis NOS (M79.2)
› radiculopathy with cervical disc disorder (M50.1)
› radiculopathy with lumbar and other intervertebral disc disorder (M51.1-)
› radiculopathy with spondylosis (M47.2-)

M54.10Radiculopathy, site unspecified

M54.11Radiculopathy, occipito-atlanto-axial region

M54.12Radiculopathy, cervical region

M54.13Radiculopathy, cervicothoracic region

M54.14Radiculopathy, thoracic region

M54.15Radiculopathy, thoracolumbar region

M54.16Radiculopathy, lumbar region

M54.17Radiculopathy, lumbosacral region

M54.18Radiculopathy, sacral and sacrococcygeal region

M54.2Cervicalgia
Excludes 1: cervicalgia due to intervertebral cervical disc disorder (M50.-)

M54.3Sciatica
Excludes 1: lesion of sciatic nerve (G57.0)
› sciatica due to intervertebral disc disorder (M51.1-)
› sciatica with lumbago (M54.4-)

M54.30Sciatica, unspecified side

M54.31Sciatica, right side

M54.32Sciatica, left side

M54.4Lumbago with sciatica
Excludes 1: lumbago with sciatica due to intervertebral disc disorder (M51.1-)

M54.40Lumbago with sciatica, unspecified side

M54.41Lumbago with sciatica, right side

M54.42Lumbago with sciatica, left side

M54.5Low back pain
Excludes 1: low back strain (S39.012)
› lumbago due to intervertebral disc displacement (M51.2-)
› lumbago with sciatica (M54.4-)

M54.50Low back pain, unspecified
› Loin pain
› Lumbago NOS

M54.51Vertebrogenic low back pain
› Low back vertebral endplate pain

M54.59Other low back pain

M54.6Pain in thoracic spine
Excludes 1: pain in thoracic spine due to intervertebral disc disorder (M51.-)

M54.8Other dorsalgia
Excludes 1: dorsalgia in thoracic region (M54.6)
› low back pain (M54.5-)

M54.81Occipital neuralgia

M54.89Other dorsalgia

M54.9Dorsalgia, unspecified
› Backache NOS
› Back pain NOS