Other dorsopathies

Cervical disc disorder causing spinal cord compression (myelopathy) without documentation of the specific cervical level or region affected.

Cervical disc disorder at the C2-C3 or C3-C4 level with documented spinal cord compression (myelopathy) — the high cervical region variant of the M50.0 family.

M50.03 identifies a cervical disc disorder at the C7-T1 level (cervicothoracic region) where disc pathology is causing compression or injury to the spinal cord, resulting in myelopathy.

Cervical disc disorder with radiculopathy in an unspecified cervical region — used when the disc level causing nerve root compression has not been documented or cannot be determined from available clinical information.

Cervical disc disorder with radiculopathy localized to the high cervical region, covering disc-related nerve root compression or irritation at the C2-C3 and C3-C4 levels, including C3 and C4 radiculopathy due to disc pathology.

Cervical disc disorder with radiculopathy localized to the cervicothoracic region (C7-T1), where disc pathology compresses or irritates the C8 nerve root, producing radiating neurological symptoms into the arm and hand.

Cervical intervertebral disc displacement not attributed to myelopathy or radiculopathy, coded when the specific cervical level cannot be identified from the documentation.

Cervical disc displacement at the high cervical region (C2-C3 or C3-C4 level) that does not involve myelopathy or radiculopathy as defined elsewhere in the M50 category.

Disc displacement at the C7-T1 cervical-thoracic junction that does not involve myelopathy or radiculopathy — classified under 'other' cervical disc displacement for the cervicothoracic region.

M50.30 captures degenerative breakdown of one or more cervical intervertebral discs when the specific spinal level or region is not documented in the medical record.

Degenerative changes affecting the intervertebral discs at the high cervical spine level, specifically the C2-C3 and C3-C4 disc spaces, classified as 'other' degeneration distinct from disc herniation or displacement.

Degenerative change of the intervertebral disc at the C7-T1 junction (cervicothoracic region) that does not meet criteria for displacement, myelopathy, or radiculopathy — coded specifically to the lowest cervical level where the spine transitions into the thoracic segment.

Cervical disc disorder not classifiable as myelopathy, radiculopathy, displacement, or degeneration, with the affected cervical level undocumented or unspecified.

Cervical disc disorder of the high cervical region (C2-3 and C3-4 / occipito-atlanto-axial region) that does not fit the defined subcategories of myelopathy, radiculopathy, displacement, or degeneration — such as calcified disc or vacuum disc phenomenon at these levels.

Cervical disc disorder at the C7-T1 (cervicothoracic) junction that does not meet criteria for myelopathy, radiculopathy, displacement, or degeneration — a residual category for pathology specific to that transitional spinal level.

M50.90 identifies a cervical disc disorder where neither the specific type of disorder (myelopathy, radiculopathy, displacement, degeneration) nor the precise cervical region (high cervical, mid-cervical, cervicothoracic) is documented or determinable from available clinical information.

Unspecified cervical disc disorder localized to the high cervical (occipito-atlanto-axial, C1–C2) region, where the disc pathology type has not been documented with enough specificity to assign a more precise code.

M50.93 identifies a cervical disc disorder of unspecified type located at the cervicothoracic region (C7-T1 junction), where the nature of the disc pathology — degeneration, displacement, myelopathy, or radiculopathy — has not been specified in the clinical documentation.

Thoracic intervertebral disc disorder causing spinal cord dysfunction (myelopathy) at the T1–T12 vertebral levels, distinct from radiculopathy and from cervical or lumbar disc disease.

Disc disorder at the thoracolumbar junction (typically T12–L1) that has progressed to cause myelopathy — spinal cord compression with upper or lower motor neuron signs, gait disturbance, or bowel/bladder dysfunction.

M51.06 identifies a lumbar intervertebral disc disorder — herniation, degeneration, or prolapse — that has produced myelopathy: objective neurological dysfunction caused by spinal cord or cauda equina compression at the lumbar level.

Thoracic intervertebral disc disorder accompanied by nerve root compression producing radicular symptoms in the thoracic distribution.

M51.15 identifies a thoracolumbar intervertebral disc disorder — herniation, degeneration, or displacement — that is producing documented nerve root compromise (radiculopathy) at the T12-L1 junction region.

Lumbar intervertebral disc disorder with documented nerve root compression producing radiculopathy — covering herniation, prolapse, and other disc pathology at any lumbar level when radicular symptoms are present.

M51.17 captures an intervertebral disc disorder in the lumbosacral region that is producing nerve root compression or irritation — radiculopathy — as a documented clinical finding.

Displacement of an intervertebral disc in the thoracic spine (T1–T12) that does not involve radiculopathy — classified under the 'other' displacement category of the M51.2 parent code.

Disc displacement at the thoracolumbar junction (T12-L1 level) that does not involve myelopathy — covering herniation, prolapse, and bulge that compress or irritate neural structures at the transition zone between the thoracic and lumbar spine.

M51.26 identifies displacement of a lumbar intervertebral disc that does not involve myelopathy or radiculopathy — covering herniation, prolapse, and other disc displacement in the lumbar spine without documented neurologic compromise.

M51.27 identifies disc displacement at the lumbosacral junction — clinically, the L5-S1 level — where the lumbar spine meets the sacrum, with or without associated radiculopathy.

M51.34 identifies degeneration of one or more intervertebral discs confined to the thoracic spine (T1–T12), without associated radiculopathy or myelopathy.

Degenerative changes of the intervertebral disc(s) at the thoracolumbar junction (T12–L1), classified as 'other' degeneration — meaning degeneration that is not disc herniation, displacement, or myelopathy.

M51.44 identifies Schmorl's nodes localized to the thoracic spine — intravertebral disc herniations where nucleus pulposus tissue protrudes vertically through the vertebral endplate into the cancellous bone of the vertebral body.

Schmorl's nodes localized to the thoracolumbar junction — the transitional zone where the lower thoracic spine meets the upper lumbar spine — representing vertical herniation of disc material through the vertebral endplate into the adjacent vertebral body.

M51.46 identifies Schmorl's nodes localized to the lumbar region — vertical disc herniations in which nucleus pulposus material protrudes through a vertebral endplate defect into the adjacent vertebral body.

Schmorl's nodes located at the lumbosacral intervertebral disc level, representing herniation of disc nuclear material through the vertebral endplate into the adjacent vertebral body.

Thoracic region intervertebral disc disorder that does not fit a more specific M51 subcategory — a true 'other specified' bucket for conditions such as thoracic disc calcification that lack their own dedicated code.

Disc disorders at the thoracolumbar junction (approximately T12–L1) that don't fit a more specific M51 subcategory — such as disc degeneration, disc calcification, or disc disruption without herniation or radiculopathy.

M51.86 classifies intervertebral disc disorders of the lumbar region that don't fit a more specific subcategory — such as disc calcification — and excludes disc herniation, degeneration, displacement, and radiculopathy, which each have their own lumbar-specific codes.

Intervertebral disc disorder of the lumbosacral region (L5-S1 level) that does not fall into a more specific subcategory such as displacement, degeneration, radiculopathy, or Schmorl's nodes — including conditions like disc calcification at that level.

A defect in the annulus fibrosus of an intervertebral disc in the lumbar region where the size of the defect has not been specified in the documentation.

M51.A1 identifies a small-sized structural defect in the outer fibrous ring (annulus fibrosus) of a lumbar intervertebral disc, typically documented following discectomy or confirmed on post-operative imaging.

A large defect in the annulus fibrosus of an intervertebral disc at the lumbar level, typically documented post-discectomy and confirmed on MRI imaging.

M51.A3 identifies an annulus fibrosus defect at the lumbosacral intervertebral disc level where the defect size has not been specified in the clinical documentation.

M51.A4 identifies a small-sized defect in the annulus fibrosus of the intervertebral disc at the lumbosacral region (L5-S1 level), distinct from lumbar-level defects and from unspecified or large lumbosacral defects.

A large post-discectomy defect in the annulus fibrosus at the lumbosacral intervertebral disc level, defined as measuring at least 6 mm wide and at least 4 mm high.

M53.80 classifies a dorsopathy that is specifically identified by the treating provider as falling outside other named spinal conditions, but for which the anatomical region of the spine has not been documented.

Disorders affecting the upper cervical spine complex — specifically the occiput (base of skull), atlas (C1), and axis (C2) — that don't fit a more precise ICD-10-CM category under dorsopathies.

A cervical spine disorder that is clinically identified and documented but does not map to a more specific ICD-10-CM dorsopathy code for the cervical region.

Dorsopathy of the cervicothoracic region (C7–T1 junction) that doesn't map to a more specific ICD-10-CM code — used when a documented spinal condition at that transitional segment lacks a precise classification elsewhere in Chapter 13.

M53.84 classifies a dorsopathy of the thoracic spine that is specifically identified in the clinical record but does not map to a more precise ICD-10-CM code within the thoracic region.

M53.85 classifies dorsopathies of the thoracolumbar region that are clinically specified but do not map to a more precise code within the ICD-10-CM spine classification — covering the T12–L1 junction zone where thoracic and lumbar segments meet.

M53.86 captures lumbar spine conditions classified as 'other specified dorsopathies' — a catch-all for lumbar dorsal pathology that has a documented, named diagnosis but no more precise ICD-10-CM code in the M40–M54 range.

M53.87 captures dorsopathies of the lumbosacral region — the junction where the lumbar spine meets the sacrum — that are specifically identified by the clinician but do not fit a more precise ICD-10-CM category such as disc herniation, spinal stenosis, or spondylosis.

M53.88 classifies other specified dorsopathies localized to the sacral and sacrococcygeal region — conditions affecting the lowest segment of the spine and tailbone that have a defined clinical character but don't map to a more specific ICD-10-CM code.

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.

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.

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.

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.

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.

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.