U S Department of Health and Human Services www.hhs.gov
Centers for Medicare & Medicaid Services
ICD-10-CM/PCS MS-DRGv33 Definitions Manual Previous Page [Alt-p] Up a level [Alt-u] Next Page [Alt-n]
MDC 8 Diseases & Disorders of the Musculoskeletal System & Connective Tissue
Medical Back Problems
Page 1 of 3
Medical Back Problems
Yes 551
No 552


M2578Osteophyte, vertebrae
M4000Postural kyphosis, site unspecified
M4003Postural kyphosis, cervicothoracic region
M4004Postural kyphosis, thoracic region
M4005Postural kyphosis, thoracolumbar region
M4010Other secondary kyphosis, site unspecified
M4012Other secondary kyphosis, cervical region
M4013Other secondary kyphosis, cervicothoracic region
M4014Other secondary kyphosis, thoracic region
M4015Other secondary kyphosis, thoracolumbar region
M40202Unspecified kyphosis, cervical region
M40203Unspecified kyphosis, cervicothoracic region
M40204Unspecified kyphosis, thoracic region
M40205Unspecified kyphosis, thoracolumbar region
M40209Unspecified kyphosis, site unspecified
M40292Other kyphosis, cervical region
M40293Other kyphosis, cervicothoracic region
M40294Other kyphosis, thoracic region
M40295Other kyphosis, thoracolumbar region
M40299Other kyphosis, site unspecified
M4030Flatback syndrome, site unspecified
M4035Flatback syndrome, thoracolumbar region
M4036Flatback syndrome, lumbar region
M4037Flatback syndrome, lumbosacral region
M4040Postural lordosis, site unspecified
M4045Postural lordosis, thoracolumbar region
M4046Postural lordosis, lumbar region
M4047Postural lordosis, lumbosacral region
M4050Lordosis, unspecified, site unspecified
M4055Lordosis, unspecified, thoracolumbar region
M4056Lordosis, unspecified, lumbar region
M4057Lordosis, unspecified, lumbosacral region
M4100Infantile idiopathic scoliosis, site unspecified
M4102Infantile idiopathic scoliosis, cervical region
M4103Infantile idiopathic scoliosis, cervicothoracic region
M4104Infantile idiopathic scoliosis, thoracic region
M4105Infantile idiopathic scoliosis, thoracolumbar region
M4106Infantile idiopathic scoliosis, lumbar region
M4107Infantile idiopathic scoliosis, lumbosacral region
M4108Infantile idiopathic scoliosis, sacral and sacrococcygeal region
M41112Juvenile idiopathic scoliosis, cervical region
M41113Juvenile idiopathic scoliosis, cervicothoracic region
M41114Juvenile idiopathic scoliosis, thoracic region
M41115Juvenile idiopathic scoliosis, thoracolumbar region
M41116Juvenile idiopathic scoliosis, lumbar region
M41117Juvenile idiopathic scoliosis, lumbosacral region
M41119Juvenile idiopathic scoliosis, site unspecified
M41122Adolescent idiopathic scoliosis, cervical region
M41123Adolescent idiopathic scoliosis, cervicothoracic region
M41124Adolescent idiopathic scoliosis, thoracic region
M41125Adolescent idiopathic scoliosis, thoracolumbar region
M41126Adolescent idiopathic scoliosis, lumbar region
M41127Adolescent idiopathic scoliosis, lumbosacral region
M41129Adolescent idiopathic scoliosis, site unspecified
M4120Other idiopathic scoliosis, site unspecified
M4122Other idiopathic scoliosis, cervical region
M4123Other idiopathic scoliosis, cervicothoracic region
M4124Other idiopathic scoliosis, thoracic region
M4125Other idiopathic scoliosis, thoracolumbar region
M4126Other idiopathic scoliosis, lumbar region
M4127Other idiopathic scoliosis, lumbosacral region
M4130Thoracogenic scoliosis, site unspecified
M4134Thoracogenic scoliosis, thoracic region
M4135Thoracogenic scoliosis, thoracolumbar region
M4140Neuromuscular scoliosis, site unspecified
M4141Neuromuscular scoliosis, occipito-atlanto-axial region
M4142Neuromuscular scoliosis, cervical region
M4143Neuromuscular scoliosis, cervicothoracic region
M4144Neuromuscular scoliosis, thoracic region
M4145Neuromuscular scoliosis, thoracolumbar region
M4146Neuromuscular scoliosis, lumbar region
M4147Neuromuscular scoliosis, lumbosacral region
M4150Other secondary scoliosis, site unspecified
M4152Other secondary scoliosis, cervical region
M4153Other secondary scoliosis, cervicothoracic region
M4154Other secondary scoliosis, thoracic region
M4155Other secondary scoliosis, thoracolumbar region
M4156Other secondary scoliosis, lumbar region
M4157Other secondary scoliosis, lumbosacral region
M4180Other forms of scoliosis, site unspecified
M4182Other forms of scoliosis, cervical region
M4183Other forms of scoliosis, cervicothoracic region
M4184Other forms of scoliosis, thoracic region
M4185Other forms of scoliosis, thoracolumbar region
M4186Other forms of scoliosis, lumbar region
M4187Other forms of scoliosis, lumbosacral region
M419Scoliosis, unspecified
M4300Spondylolysis, site unspecified
M4301Spondylolysis, occipito-atlanto-axial region
M4302Spondylolysis, cervical region
M4303Spondylolysis, cervicothoracic region
M4304Spondylolysis, thoracic region
M4305Spondylolysis, thoracolumbar region
M4306Spondylolysis, lumbar region
M4307Spondylolysis, lumbosacral region
M4308Spondylolysis, sacral and sacrococcygeal region
M4309Spondylolysis, multiple sites in spine
M4310Spondylolisthesis, site unspecified
M4311Spondylolisthesis, occipito-atlanto-axial region
M4312Spondylolisthesis, cervical region
M4313Spondylolisthesis, cervicothoracic region
M4314Spondylolisthesis, thoracic region
M4315Spondylolisthesis, thoracolumbar region
M4316Spondylolisthesis, lumbar region
M4317Spondylolisthesis, lumbosacral region
M4318Spondylolisthesis, sacral and sacrococcygeal region
M4319Spondylolisthesis, multiple sites in spine
M4320Fusion of spine, site unspecified
M4321Fusion of spine, occipito-atlanto-axial region
M4322Fusion of spine, cervical region
M4323Fusion of spine, cervicothoracic region
M4324Fusion of spine, thoracic region
M4325Fusion of spine, thoracolumbar region
M4326Fusion of spine, lumbar region
M4327Fusion of spine, lumbosacral region
M4328Fusion of spine, sacral and sacrococcygeal region
M438X1Other specified deforming dorsopathies, occipito-atlanto-axial region
M438X2Other specified deforming dorsopathies, cervical region
M438X3Other specified deforming dorsopathies, cervicothoracic region
M438X4Other specified deforming dorsopathies, thoracic region
M438X5Other specified deforming dorsopathies, thoracolumbar region
M438X6Other specified deforming dorsopathies, lumbar region
M438X7Other specified deforming dorsopathies, lumbosacral region
M438X8Other specified deforming dorsopathies, sacral and sacrococcygeal region
M438X9Other specified deforming dorsopathies, site unspecified
M439Deforming dorsopathy, unspecified
M4600Spinal enthesopathy, site unspecified
M4601Spinal enthesopathy, occipito-atlanto-axial region
M4602Spinal enthesopathy, cervical region
M4603Spinal enthesopathy, cervicothoracic region
M4604Spinal enthesopathy, thoracic region
M4605Spinal enthesopathy, thoracolumbar region
M4606Spinal enthesopathy, lumbar region
M4607Spinal enthesopathy, lumbosacral region
M4608Spinal enthesopathy, sacral and sacrococcygeal region
M4609Spinal enthesopathy, multiple sites in spine
M461Sacroiliitis, not elsewhere classified
M4640Discitis, unspecified, site unspecified
M4641Discitis, unspecified, occipito-atlanto-axial region
M4642Discitis, unspecified, cervical region
M4643Discitis, unspecified, cervicothoracic region
M4644Discitis, unspecified, thoracic region
M4645Discitis, unspecified, thoracolumbar region
M4646Discitis, unspecified, lumbar region
M4647Discitis, unspecified, lumbosacral region
M4648Discitis, unspecified, sacral and sacrococcygeal region
M4649Discitis, unspecified, multiple sites in spine
M4650Other infective spondylopathies, site unspecified
M4651Other infective spondylopathies, occipito-atlanto-axial region
M4652Other infective spondylopathies, cervical region
M4653Other infective spondylopathies, cervicothoracic region
M4654Other infective spondylopathies, thoracic region
M4655Other infective spondylopathies, thoracolumbar region
M4656Other infective spondylopathies, lumbar region
M4657Other infective spondylopathies, lumbosacral region
M4658Other infective spondylopathies, sacral and sacrococcygeal region
M4659Other infective spondylopathies, multiple sites in spine
M4680Other specified inflammatory spondylopathies, site unspecified
M4681Other specified inflammatory spondylopathies, occipito-atlanto-axial region
M4682Other specified inflammatory spondylopathies, cervical region
M4683Other specified inflammatory spondylopathies, cervicothoracic region
M4684Other specified inflammatory spondylopathies, thoracic region
M4685Other specified inflammatory spondylopathies, thoracolumbar region
M4686Other specified inflammatory spondylopathies, lumbar region
M4687Other specified inflammatory spondylopathies, lumbosacral region
M4688Other specified inflammatory spondylopathies, sacral and sacrococcygeal region
M4689Other specified inflammatory spondylopathies, multiple sites in spine
M4690Unspecified inflammatory spondylopathy, site unspecified
M4691Unspecified inflammatory spondylopathy, occipito-atlanto-axial region
M4692Unspecified inflammatory spondylopathy, cervical region
M4693Unspecified inflammatory spondylopathy, cervicothoracic region
M4694Unspecified inflammatory spondylopathy, thoracic region
M4695Unspecified inflammatory spondylopathy, thoracolumbar region
M4696Unspecified inflammatory spondylopathy, lumbar region
M4697Unspecified inflammatory spondylopathy, lumbosacral region
M4698Unspecified inflammatory spondylopathy, sacral and sacrococcygeal region
M4699Unspecified inflammatory spondylopathy, multiple sites in spine
M47011Anterior spinal artery compression syndromes, occipito-atlanto-axial region
M47012Anterior spinal artery compression syndromes, cervical region
M47013Anterior spinal artery compression syndromes, cervicothoracic region
M47014Anterior spinal artery compression syndromes, thoracic region
M47015Anterior spinal artery compression syndromes, thoracolumbar region
M47016Anterior spinal artery compression syndromes, lumbar region
M47019Anterior spinal artery compression syndromes, site unspecified
M47021Vertebral artery compression syndromes, occipito-atlanto-axial region
M47022Vertebral artery compression syndromes, cervical region
M47029Vertebral artery compression syndromes, site unspecified
M4710Other spondylosis with myelopathy, site unspecified
M4711Other spondylosis with myelopathy, occipito-atlanto-axial region
M4712Other spondylosis with myelopathy, cervical region
M4713Other spondylosis with myelopathy, cervicothoracic region
M4714Other spondylosis with myelopathy, thoracic region
M4715Other spondylosis with myelopathy, thoracolumbar region
M4716Other spondylosis with myelopathy, lumbar region
M4720Other spondylosis with radiculopathy, site unspecified
M4721Other spondylosis with radiculopathy, occipito-atlanto-axial region
M4722Other spondylosis with radiculopathy, cervical region
M4723Other spondylosis with radiculopathy, cervicothoracic region
M4724Other spondylosis with radiculopathy, thoracic region
M4725Other spondylosis with radiculopathy, thoracolumbar region
M4726Other spondylosis with radiculopathy, lumbar region
M4727Other spondylosis with radiculopathy, lumbosacral region
M4728Other spondylosis with radiculopathy, sacral and sacrococcygeal region
M47811Spondylosis without myelopathy or radiculopathy, occipito-atlanto-axial region
M47812Spondylosis without myelopathy or radiculopathy, cervical region
M47813Spondylosis without myelopathy or radiculopathy, cervicothoracic region
M47814Spondylosis without myelopathy or radiculopathy, thoracic region
M47815Spondylosis without myelopathy or radiculopathy, thoracolumbar region
M47816Spondylosis without myelopathy or radiculopathy, lumbar region
M47817Spondylosis without myelopathy or radiculopathy, lumbosacral region
M47818Spondylosis without myelopathy or radiculopathy, sacral and sacrococcygeal region
M47819Spondylosis without myelopathy or radiculopathy, site unspecified
M47891Other spondylosis, occipito-atlanto-axial region
M47892Other spondylosis, cervical region
M47893Other spondylosis, cervicothoracic region
M47894Other spondylosis, thoracic region
M47895Other spondylosis, thoracolumbar region
M47896Other spondylosis, lumbar region
M47897Other spondylosis, lumbosacral region
M47898Other spondylosis, sacral and sacrococcygeal region
M47899Other spondylosis, site unspecified
M479Spondylosis, unspecified
M4800Spinal stenosis, site unspecified
M4801Spinal stenosis, occipito-atlanto-axial region
M4802Spinal stenosis, cervical region
M4803Spinal stenosis, cervicothoracic region
M4804Spinal stenosis, thoracic region
M4805Spinal stenosis, thoracolumbar region
M4806Spinal stenosis, lumbar region
M4807Spinal stenosis, lumbosacral region
M4808Spinal stenosis, sacral and sacrococcygeal region
M4810Ankylosing hyperostosis [Forestier], site unspecified
M4811Ankylosing hyperostosis [Forestier], occipito-atlanto-axial region
M4812Ankylosing hyperostosis [Forestier], cervical region
M4813Ankylosing hyperostosis [Forestier], cervicothoracic region
M4814Ankylosing hyperostosis [Forestier], thoracic region
M4815Ankylosing hyperostosis [Forestier], thoracolumbar region
M4816Ankylosing hyperostosis [Forestier], lumbar region
M4817Ankylosing hyperostosis [Forestier], lumbosacral region
M4818Ankylosing hyperostosis [Forestier], sacral and sacrococcygeal region
M4819Ankylosing hyperostosis [Forestier], multiple sites in spine
M4820Kissing spine, site unspecified
M4821Kissing spine, occipito-atlanto-axial region
M4822Kissing spine, cervical region
M4823Kissing spine, cervicothoracic region
M4824Kissing spine, thoracic region
M4825Kissing spine, thoracolumbar region
M4826Kissing spine, lumbar region
M4827Kissing spine, lumbosacral region
M4830Traumatic spondylopathy, site unspecified
M4831Traumatic spondylopathy, occipito-atlanto-axial region
M4832Traumatic spondylopathy, cervical region
M4833Traumatic spondylopathy, cervicothoracic region
M4834Traumatic spondylopathy, thoracic region
M4835Traumatic spondylopathy, thoracolumbar region
M4836Traumatic spondylopathy, lumbar region
M4837Traumatic spondylopathy, lumbosacral region
M4838Traumatic spondylopathy, sacral and sacrococcygeal region
M4840XSFatigue fracture of vertebra, site unspecified, sequela of fracture
M4841XSFatigue fracture of vertebra, occipito-atlanto-axial region, sequela of fracture
M4842XSFatigue fracture of vertebra, cervical region, sequela of fracture
M4843XSFatigue fracture of vertebra, cervicothoracic region, sequela of fracture
M4844XSFatigue fracture of vertebra, thoracic region, sequela of fracture
M4845XSFatigue fracture of vertebra, thoracolumbar region, sequela of fracture
M4846XSFatigue fracture of vertebra, lumbar region, sequela of fracture
M4847XSFatigue fracture of vertebra, lumbosacral region, sequela of fracture
M4848XSFatigue fracture of vertebra, sacral and sacrococcygeal region, sequela of fracture
M4850XSCollapsed vertebra, not elsewhere classified, site unspecified, sequela of fracture
M4851XSCollapsed vertebra, not elsewhere classified, occipito-atlanto-axial region, sequela of fracture
M4852XSCollapsed vertebra, not elsewhere classified, cervical region, sequela of fracture
M4853XSCollapsed vertebra, not elsewhere classified, cervicothoracic region, sequela of fracture
M4854XSCollapsed vertebra, not elsewhere classified, thoracic region, sequela of fracture
M4855XSCollapsed vertebra, not elsewhere classified, thoracolumbar region, sequela of fracture
M4856XSCollapsed vertebra, not elsewhere classified, lumbar region, sequela of fracture
M4857XSCollapsed vertebra, not elsewhere classified, lumbosacral region, sequela of fracture
M4858XSCollapsed vertebra, not elsewhere classified, sacral and sacrococcygeal region, sequela of fracture
M489Spondylopathy, unspecified
M4980Spondylopathy in diseases classified elsewhere, site unspecified
M4981Spondylopathy in diseases classified elsewhere, occipito-atlanto-axial region
M4982Spondylopathy in diseases classified elsewhere, cervical region
M4983Spondylopathy in diseases classified elsewhere, cervicothoracic region
M4984Spondylopathy in diseases classified elsewhere, thoracic region
M4985Spondylopathy in diseases classified elsewhere, thoracolumbar region
M4986Spondylopathy in diseases classified elsewhere, lumbar region
M4987Spondylopathy in diseases classified elsewhere, lumbosacral region
M4988Spondylopathy in diseases classified elsewhere, sacral and sacrococcygeal region
M4989Spondylopathy in diseases classified elsewhere, multiple sites in spine
M5000Cervical disc disorder with myelopathy, unspecified cervical region
M5001Cervical disc disorder with myelopathy, high cervical region
M5002Cervical disc disorder with myelopathy, mid-cervical region
M5003Cervical disc disorder with myelopathy, cervicothoracic region
M5010Cervical disc disorder with radiculopathy, unspecified cervical region
M5011Cervical disc disorder with radiculopathy, high cervical region
M5012Cervical disc disorder with radiculopathy, mid-cervical region
M5013Cervical disc disorder with radiculopathy, cervicothoracic region
M5020Other cervical disc displacement, unspecified cervical region
M5021Other cervical disc displacement, high cervical region
M5022Other cervical disc displacement, mid-cervical region
M5023Other cervical disc displacement, cervicothoracic region
M5030Other cervical disc degeneration, unspecified cervical region
M5031Other cervical disc degeneration, high cervical region
M5032Other cervical disc degeneration, mid-cervical region
M5033Other cervical disc degeneration, cervicothoracic region
M5080Other cervical disc disorders, unspecified cervical region
M5081Other cervical disc disorders, high cervical region
M5082Other cervical disc disorders, mid-cervical region
M5083Other cervical disc disorders, cervicothoracic region
M5090Cervical disc disorder, unspecified, unspecified cervical region
M5091Cervical disc disorder, unspecified, high cervical region
M5092Cervical disc disorder, unspecified, mid-cervical region
M5093Cervical disc disorder, unspecified, cervicothoracic region
M5104Intervertebral disc disorders with myelopathy, thoracic region
M5105Intervertebral disc disorders with myelopathy, thoracolumbar region
M5106Intervertebral disc disorders with myelopathy, lumbar region
M5114Intervertebral disc disorders with radiculopathy, thoracic region
M5115Intervertebral disc disorders with radiculopathy, thoracolumbar region
M5116Intervertebral disc disorders with radiculopathy, lumbar region
M5117Intervertebral disc disorders with radiculopathy, lumbosacral region
M5124Other intervertebral disc displacement, thoracic region
M5125Other intervertebral disc displacement, thoracolumbar region
M5126Other intervertebral disc displacement, lumbar region
M5127Other intervertebral disc displacement, lumbosacral region
M5134Other intervertebral disc degeneration, thoracic region
M5135Other intervertebral disc degeneration, thoracolumbar region
M5136Other intervertebral disc degeneration, lumbar region
M5137Other intervertebral disc degeneration, lumbosacral region
M5144Schmorl's nodes, thoracic region
M5145Schmorl's nodes, thoracolumbar region
M5146Schmorl's nodes, lumbar region
M5147Schmorl's nodes, lumbosacral region
M5184Other intervertebral disc disorders, thoracic region
M5185Other intervertebral disc disorders, thoracolumbar region
M5186Other intervertebral disc disorders, lumbar region
M5187Other intervertebral disc disorders, lumbosacral region
M519Unspecified thoracic, thoracolumbar and lumbosacral intervertebral disc disorder
M532X7Spinal instabilities, lumbosacral region
M532X8Spinal instabilities, sacral and sacrococcygeal region
M533Sacrococcygeal disorders, not elsewhere classified
M5380Other specified dorsopathies, site unspecified
M5381Other specified dorsopathies, occipito-atlanto-axial region
M5382Other specified dorsopathies, cervical region
M5383Other specified dorsopathies, cervicothoracic region
M5384Other specified dorsopathies, thoracic region
M5385Other specified dorsopathies, thoracolumbar region
M5386Other specified dorsopathies, lumbar region
M5387Other specified dorsopathies, lumbosacral region
M5388Other specified dorsopathies, sacral and sacrococcygeal region
M539Dorsopathy, unspecified
M5403Panniculitis affecting regions of neck and back, cervicothoracic region
M5404Panniculitis affecting regions of neck and back, thoracic region
M5405Panniculitis affecting regions of neck and back, thoracolumbar region
M5406Panniculitis affecting regions of neck and back, lumbar region
M5407Panniculitis affecting regions of neck and back, lumbosacral region
M5408Panniculitis affecting regions of neck and back, sacral and sacrococcygeal region
M5409Panniculitis affecting regions, neck and back, multiple sites in spine
M5414Radiculopathy, thoracic region
M5415Radiculopathy, thoracolumbar region
M5416Radiculopathy, lumbar region
M5417Radiculopathy, lumbosacral region
M5430Sciatica, unspecified side
M5431Sciatica, right side
M5432Sciatica, left side
M5440Lumbago with sciatica, unspecified side
M5441Lumbago with sciatica, right side
M5442Lumbago with sciatica, left side
M545Low back pain
M546Pain in thoracic spine
M5481Occipital neuralgia
M5489Other dorsalgia
M549Dorsalgia, unspecified
M62830Muscle spasm of back
M8008XSAge-related osteoporosis with current pathological fracture, vertebra(e), sequela
M8088XSOther osteoporosis with current pathological fracture, vertebra(e), sequela
M84350SStress fracture, pelvis, sequela
M84454SPathological fracture, pelvis, sequela
M84550SPathological fracture in neoplastic disease, pelvis, sequela
M8458XSPathological fracture in neoplastic disease, other specified site, sequela
M84650SPathological fracture in other disease, pelvis, sequela
M961Postlaminectomy syndrome, not elsewhere classified
M962Postradiation kyphosis
M963Postlaminectomy kyphosis
M964Postsurgical lordosis
M965Postradiation scoliosis
M9901Segmental and somatic dysfunction of cervical region
M9902Segmental and somatic dysfunction of thoracic region
M9903Segmental and somatic dysfunction of lumbar region
M9904Segmental and somatic dysfunction of sacral region
M9910Subluxation complex (vertebral) of head region
M9911Subluxation complex (vertebral) of cervical region
M9912Subluxation complex (vertebral) of thoracic region

Centers for Medicare & Medicaid Services, 7500 Security Boulevard Baltimore, MD 21244