M46.9 – Unspecified inflammatory spondylopathy
ICD-10-CM 2027 diagnosis code · Spondylopathies
ICD-10-CM code
M46.9
- Code
M46.9(claims format:M469)- Description
- Unspecified inflammatory spondylopathy
- Billable
- No – use a more specific code below
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue (M00-M99)
- Block
- M45-M49 Spondylopathies
- Parent codes
- M46
Billable codes under M46.9
M46.9 is a header code and cannot be used on claims. Choose the most specific code:
- M46.90 – Unspecified inflammatory spondylopathy, site unspecifiedBillable
- M46.91 – Unspecified inflammatory spondylopathy, occipito-atlanto-axial regionBillable
- M46.92 – Unspecified inflammatory spondylopathy, cervical regionBillable
- M46.93 – Unspecified inflammatory spondylopathy, cervicothoracic regionBillable
- M46.94 – Unspecified inflammatory spondylopathy, thoracic regionBillable
- M46.95 – Unspecified inflammatory spondylopathy, thoracolumbar regionBillable
- M46.96 – Unspecified inflammatory spondylopathy, lumbar regionBillable
- M46.97 – Unspecified inflammatory spondylopathy, lumbosacral regionBillable
- M46.98 – Unspecified inflammatory spondylopathy, sacral and sacrococcygeal regionBillable
- M46.99 – Unspecified inflammatory spondylopathy, multiple sites in spineBillable
Related codes in M46
- M46.0 – Spinal enthesopathyHeader
- M46.1 – Sacroiliitis, not elsewhere classifiedBillable
- M46.2 – Osteomyelitis of vertebraHeader
- M46.3 – Infection of intervertebral disc (pyogenic)Header
- M46.4 – Discitis, unspecifiedHeader
- M46.5 – Other infective spondylopathiesHeader
- M46.8 – Other specified inflammatory spondylopathiesHeader
Frequently asked questions
What is ICD-10 code M46.9?
M46.9 is the ICD-10-CM code for unspecified inflammatory spondylopathy, in the block M45-M49 (Spondylopathies).
Is M46.9 a billable code?
No. M46.9 is a header code with more specific child codes; report one of the billable codes listed above.
What category does M46.9 belong to?
It belongs to category M46 – Other inflammatory spondylopathies.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.