M46.81 ICD-10-CM Code: Other specified inflammatory spondylopathies, occipito-atlanto-axial region
M46.81 is the authoritative medical code for Other specified inflammatory spondylopathies, occipito-atlanto-axial region. This classification is used in medical billing and clinical recording to specify the clinical criteria for other specified inflammatory spondylopathies, occipito-atlanto-axial region (ICD-10-CM M46.81), ensuring healthcare documentation aligns with current federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Code Set: Valid FY2026 and FY2027. FY2026 took effect October 1, 2025.
Official Registry Overview & Definition
Nearest Codes in This Family
Official ICD-10-CM classifications closest to M46.81 in its code family, with their registry titles.
- M46.57 — Other infective spondylopathies, lumbosacral region
- M46.58 — Other infective spondylopathies, sacral and sacrococcygeal region
- M46.59 — Other infective spondylopathies, multiple sites in spine
- M46.8 — Other specified inflammatory spondylopathies
- M46.80 — Other specified inflammatory spondylopathies, site unspecified
- M46.82 — Other specified inflammatory spondylopathies, cervical region
- M46.83 — Other specified inflammatory spondylopathies, cervicothoracic region
- M46.84 — Other specified inflammatory spondylopathies, thoracic region
- M46.85 — Other specified inflammatory spondylopathies, thoracolumbar region
- M46.86 — Other specified inflammatory spondylopathies, lumbar region
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Spondylopathy, inflammatory, specified type NEC, occipito-atlanto-axial region