M46.94

Billable

Unspecified inflammatory spondylopathy, thoracic region

HCC Category Mapping

V24HCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

0.307

ESRDHCC 40 — Rheumatoid Arthritis and Inflammatory Connective Tissue Disease

0.000

What This Code Means

Inflammation of the spine in the mid-back (thoracic) region without a specific identified cause.

Coding Tips

•Use this code when the inflammatory spinal condition is documented but the specific type (ankylosing spondylitis, psoriatic arthritis, etc.) is not specified
•Verify documentation supports inflammatory nature; if only degenerative changes are present, consider M47 codes instead

Clinical Significance

Unspecified thoracic inflammatory spondylopathies can impact both spinal function and respiratory mechanics due to thoracic cage involvement. Even without specific diagnosis, these conditions require anti-inflammatory management and monitoring for pulmonary complications.

Documentation Requirements

✓Thoracic spine inflammatory involvement
✓Evidence of inflammatory process
✓Thoracic imaging showing inflammation
✓Pulmonary function assessment if indicated
✓Thoracic cage mobility evaluation
✓Inflammatory marker trends
✓Response to anti-inflammatory therapy
✓Plans for diagnostic specification

Commonly Confused Codes

M46.54 — Infective thoracic spondylopathy when infectious M46.95 — Thoracolumbar region when at T12-L1 junction M47.814 — Thoracic spondylosis when degenerative J98.4 — Other lung disorders when respiratory primary

Code Hierarchy

└M46Other inflammatory spondylopathies └M46.9Unspecified inflammatory spondylopathy └M46.94Unspecified inflammatory spondylopathy, thoracic region

└M46.94Unspecified inflammatory spondylopathy, thoracic region