ICD-10 · PDGM grouping
M50-M54 — Other dorsopathies
Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.2.26.
ICD-10-CM FY2027 · CMS grouper v07.2.26
Codes in range
133
No clinical group
24
A period cannot be grouped from these.
Barred as primary
0
CMS rejects these in the primary position.
Where these codes group
109 of the 133 codes in M50-M54 group to Musculoskeletal Rehabilitation. A further 24 are assigned no clinical group at all, which means a 30-day period cannot be grouped from them.
Code families in M50-M54
One page per three-character family: every code in it, whether it can lead a claim, its clinical group and comorbidity subgroup.
Every code in M50-M54
Descriptions are CMS’s own, abbreviated as CMS abbreviates them.
| Code | Description | Clinical group | Primary position |
|---|---|---|---|
| M5000 | Cervical disc disorder with myelopathy, unsp cervical region | None | Cannot lead a claim |
| M5001 | Cervical disc disorder with myelopathy, high cervical region | E | Can lead a claim |
| M50020 | Cerv disc disord with myelpath, mid-cervical rgn, unsp level | None | Cannot lead a claim |
| M50021 | Cervical disc disorder at C4-C5 level with myelopathy | E | Can lead a claim |
| M50022 | Cervical disc disorder at C5-C6 level with myelopathy | E | Can lead a claim |
| M50023 | Cervical disc disorder at C6-C7 level with myelopathy | E | Can lead a claim |
| M5003 | Cervical disc disorder w myelopathy, cervicothoracic region | E | Can lead a claim |
| M5010 | Cervical disc disorder w radiculopathy, unsp cervical region | None | Cannot lead a claim |
| M5011 | Cerv disc disorder with radiculopathy, high cervical region | E | Can lead a claim |
| M50120 | Mid-cervical disc disorder, unspecified level | None | Cannot lead a claim |
| M50121 | Cervical disc disorder at C4-C5 level with radiculopathy | E | Can lead a claim |
| M50122 | Cervical disc disorder at C5-C6 level with radiculopathy | E | Can lead a claim |
| M50123 | Cervical disc disorder at C6-C7 level with radiculopathy | E | Can lead a claim |
| M5013 | Cervical disc disorder w radiculopathy, cervicothor region | E | Can lead a claim |
| M5020 | Other cervical disc displacement, unsp cervical region | None | Cannot lead a claim |
| M5021 | Other cervical disc displacement, high cervical region | E | Can lead a claim |
| M50220 | Other cerv disc displacmnt, mid-cervical region, unsp level | None | Cannot lead a claim |
| M50221 | Other cervical disc displacement at C4-C5 level | E | Can lead a claim |
| M50222 | Other cervical disc displacement at C5-C6 level | E | Can lead a claim |
| M50223 | Other cervical disc displacement at C6-C7 level | E | Can lead a claim |
| M5023 | Other cervical disc displacement, cervicothoracic region | E | Can lead a claim |
| M5030 | Other cervical disc degeneration, unsp cervical region | None | Cannot lead a claim |
| M5031 | Other cervical disc degeneration, high cervical region | E | Can lead a claim |
| M50320 | Other cerv disc degeneration, mid-cervical rgn, unsp level | None | Cannot lead a claim |
| M50321 | Other cervical disc degeneration at C4-C5 level | E | Can lead a claim |
| M50322 | Other cervical disc degeneration at C5-C6 level | E | Can lead a claim |
| M50323 | Other cervical disc degeneration at C6-C7 level | E | Can lead a claim |
| M5033 | Other cervical disc degeneration, cervicothoracic region | E | Can lead a claim |
| M5080 | Other cervical disc disorders, unspecified cervical region | None | Cannot lead a claim |
| M5081 | Other cervical disc disorders, high cervical region | E | Can lead a claim |
| M50820 | Other cervical disc disord, mid-cervical region, unsp level | None | Cannot lead a claim |
| M50821 | Other cervical disc disorders at C4-C5 level | E | Can lead a claim |
| M50822 | Other cervical disc disorders at C5-C6 level | E | Can lead a claim |
| M50823 | Other cervical disc disorders at C6-C7 level | E | Can lead a claim |
| M5083 | Other cervical disc disorders, cervicothoracic region | E | Can lead a claim |
| M5090 | Cervical disc disorder, unsp, unspecified cervical region | None | Cannot lead a claim |
| M5091 | Cervical disc disorder, unspecified, high cervical region | E | Can lead a claim |
| M50920 | Unsp cervical disc disorder, mid-cervical region, unsp level | None | Cannot lead a claim |
| M50921 | Unspecified cervical disc disorder at C4-C5 level | E | Can lead a claim |
| M50922 | Unspecified cervical disc disorder at C5-C6 level | E | Can lead a claim |
| M50923 | Unspecified cervical disc disorder at C6-C7 level | E | Can lead a claim |
| M5093 | Cervical disc disorder, unspecified, cervicothoracic region | E | Can lead a claim |
| M5104 | Intervertebral disc disorders w myelopathy, thoracic region | E | Can lead a claim |
| M5105 | Intvrt disc disorders w myelopathy, thoracolumbar region | E | Can lead a claim |
| M5106 | Intervertebral disc disorders with myelopathy, lumbar region | E | Can lead a claim |
| M5114 | Intvrt disc disorders w radiculopathy, thoracic region | E | Can lead a claim |
| M5115 | Intvrt disc disorders w radiculopathy, thoracolumbar region | E | Can lead a claim |
| M5116 | Intervertebral disc disorders w radiculopathy, lumbar region | E | Can lead a claim |
| M5117 | Intvrt disc disorders w radiculopathy, lumbosacral region | E | Can lead a claim |
| M5124 | Other intervertebral disc displacement, thoracic region | E | Can lead a claim |
| M5125 | Other intervertebral disc displacement, thoracolumbar region | E | Can lead a claim |
| M5126 | Other intervertebral disc displacement, lumbar region | E | Can lead a claim |
| M5127 | Other intervertebral disc displacement, lumbosacral region | E | Can lead a claim |
| M5134 | Other intervertebral disc degeneration, thoracic region | E | Can lead a claim |
| M5135 | Other intervertebral disc degeneration, thoracolumbar region | E | Can lead a claim |
| M51360 | Other intvrt disc degen, lum rgn with discog back pain only | E | Can lead a claim |
| M51361 | Other intvrt disc degen, lum region with low extrm pain only | E | Can lead a claim |
| M51362 | Oth intvrt disc degen, lum rgn w discog bck & lw extrm pain | E | Can lead a claim |
| M51369 | Oth intvrt disc degen, lum rgn w/o lum bck or lw extrm pain | E | Can lead a claim |
| M51370 | Oth intvrt disc degen, lumbosacr rgn w discog bck pain only | E | Can lead a claim |
| M51371 | Oth intvrt disc degen, lumbosacr rgn w low extrm pain only | E | Can lead a claim |
| M51372 | Oth intvrt disc degen, lumbosacr w discog bck & lw extrm pn | E | Can lead a claim |
| M51379 | Oth intvrt disc degen, lumbosacr w/o lum bck or lw extrm pn | E | Can lead a claim |
| M5144 | Schmorl's nodes, thoracic region | E | Can lead a claim |
| M5145 | Schmorl's nodes, thoracolumbar region | E | Can lead a claim |
| M5146 | Schmorl's nodes, lumbar region | E | Can lead a claim |
| M5147 | Schmorl's nodes, lumbosacral region | E | Can lead a claim |
| M5184 | Other intervertebral disc disorders, thoracic region | E | Can lead a claim |
| M5185 | Other intervertebral disc disorders, thoracolumbar region | E | Can lead a claim |
| M5186 | Other intervertebral disc disorders, lumbar region | E | Can lead a claim |
| M5187 | Other intervertebral disc disorders, lumbosacral region | E | Can lead a claim |
| M519 | Unsp thoracic, thoracolum and lumbosacr intvrt disc disorder | E | Can lead a claim |
| M51A0 | Intvrt annulus fibrosus defect, lumbar region, unsp size | E | Can lead a claim, code first applies |
| M51A1 | Intervertebral annulus fibrosus defect, small, lumbar region | E | Can lead a claim, code first applies |
| M51A2 | Intervertebral annulus fibrosus defect, large, lumbar region | E | Can lead a claim, code first applies |
| M51A3 | Intvrt annulus fibrosus defect, lumbosacr region, unsp size | E | Can lead a claim, code first applies |
| M51A4 | Intvrt annulus fibrosus defect, small, lumbosacral region | E | Can lead a claim, code first applies |
| M51A5 | Intvrt annulus fibrosus defect, large, lumbosacral region | E | Can lead a claim, code first applies |
| M530 | Cervicocranial syndrome | E | Can lead a claim |
| M531 | Cervicobrachial syndrome | E | Can lead a claim |
| M532X1 | Spinal instabilities, occipito-atlanto-axial region | E | Can lead a claim |
| M532X2 | Spinal instabilities, cervical region | E | Can lead a claim |
| M532X3 | Spinal instabilities, cervicothoracic region | E | Can lead a claim |
| M532X4 | Spinal instabilities, thoracic region | E | Can lead a claim |
| M532X5 | Spinal instabilities, thoracolumbar region | E | Can lead a claim |
| M532X6 | Spinal instabilities, lumbar region | E | Can lead a claim |
| M532X7 | Spinal instabilities, lumbosacral region | E | Can lead a claim |
| M532X8 | Spinal instabilities, sacral and sacrococcygeal region | E | Can lead a claim |
| M532X9 | Spinal instabilities, site unspecified | None | Cannot lead a claim |
| M533 | Sacrococcygeal disorders, not elsewhere classified | E | Can lead a claim |
| M5380 | Other specified dorsopathies, site unspecified | None | Cannot lead a claim |
| M5381 | Other specified dorsopathies, occipito-atlanto-axial region | E | Can lead a claim |
| M5382 | Other specified dorsopathies, cervical region | E | Can lead a claim |
| M5383 | Other specified dorsopathies, cervicothoracic region | E | Can lead a claim |
| M5384 | Other specified dorsopathies, thoracic region | E | Can lead a claim |
| M5385 | Other specified dorsopathies, thoracolumbar region | E | Can lead a claim |
| M5386 | Other specified dorsopathies, lumbar region | E | Can lead a claim |
| M5387 | Other specified dorsopathies, lumbosacral region | E | Can lead a claim |
| M5388 | Oth dorsopathies, sacral and sacrococcygeal region | E | Can lead a claim |
| M539 | Dorsopathy, unspecified | None | Cannot lead a claim |
| M5400 | Panniculitis affecting regions of neck and back, site unsp | None | Cannot lead a claim |
| M5401 | Panniculitis aff regions of neck/bk, occipt-atlan-ax region | E | Can lead a claim |
| M5402 | Panniculitis affecting regions of neck/bk, cervical region | E | Can lead a claim |
| M5403 | Panniculitis aff regions of neck/bk, cervicothor region | E | Can lead a claim |
| M5404 | Panniculitis affecting regions of neck/bk, thoracic region | E | Can lead a claim |
| M5405 | Panniculitis affecting regions of neck/bk, thoracolum region | E | Can lead a claim |
| M5406 | Panniculitis affecting regions of neck/bk, lumbar region | E | Can lead a claim |
| M5407 | Panniculitis affecting regions of neck/bk, lumbosacr region | E | Can lead a claim |
| M5408 | Panniculitis aff regions of neck/bk, sacr/sacrocygl region | E | Can lead a claim |
| M5409 | Panniculitis aff regions, neck/bk, multiple sites in spine | E | Can lead a claim |
| M5410 | Radiculopathy, site unspecified | None | Cannot lead a claim |
| M5411 | Radiculopathy, occipito-atlanto-axial region | E | Can lead a claim |
| M5412 | Radiculopathy, cervical region | E | Can lead a claim |
| M5413 | Radiculopathy, cervicothoracic region | E | Can lead a claim |
| M5414 | Radiculopathy, thoracic region | E | Can lead a claim |
| M5415 | Radiculopathy, thoracolumbar region | E | Can lead a claim |
| M5416 | Radiculopathy, lumbar region | E | Can lead a claim |
| M5417 | Radiculopathy, lumbosacral region | E | Can lead a claim |
| M5418 | Radiculopathy, sacral and sacrococcygeal region | E | Can lead a claim |
| M542 | Cervicalgia | E | Can lead a claim |
| M5430 | Sciatica, unspecified side | None | Cannot lead a claim |
| M5431 | Sciatica, right side | E | Can lead a claim |
| M5432 | Sciatica, left side | E | Can lead a claim |
| M5440 | Lumbago with sciatica, unspecified side | None | Cannot lead a claim |
| M5441 | Lumbago with sciatica, right side | E | Can lead a claim |
| M5442 | Lumbago with sciatica, left side | E | Can lead a claim |
| M5450 | Low back pain, unspecified | None | Cannot lead a claim |
| M5451 | Vertebrogenic low back pain | None | Cannot lead a claim |
| M5459 | Other low back pain | None | Cannot lead a claim |
| M546 | Pain in thoracic spine | None | Cannot lead a claim |
| M5481 | Occipital neuralgia | E | Can lead a claim |
| M5489 | Other dorsalgia | E | Can lead a claim |
| M549 | Dorsalgia, unspecified | None | Cannot lead a claim |
Source: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.
The monthly home health regs digest
What CMS changed, what's due next, and what to do about it — one email a month, no fluff. Read the first issue