M46.90
Billable codeUnspecified inflammatory spondylopathy, site unspecified
The ICD-10 code for unspecified inflammatory spondylopathy, site unspecified is M46.90.
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- M46.91Unspecified inflammatory spondylopathy, occipito-atlanto-axial region
- M46.92Unspecified inflammatory spondylopathy, cervical region
- M46.93Unspecified inflammatory spondylopathy, cervicothoracic region
- M46.94Unspecified inflammatory spondylopathy, thoracic region
- M46.95Unspecified inflammatory spondylopathy, thoracolumbar region
- M46.96Unspecified inflammatory spondylopathy, lumbar region
- M46.97Unspecified inflammatory spondylopathy, lumbosacral region
- M46.98Unspecified inflammatory spondylopathy, sacral and sacrococcygeal region
- M46.99Unspecified inflammatory spondylopathy, multiple sites in spine
- M46.90Unspecified inflammatory spondylopathy, site unspecified
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- 7209Approximate match
Associated MS-DRGs
M46.90 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.