M46.87

Billable

Other specified inflammatory spondylopathies, lumbosacral 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 area where the lower back meets the sacrum (lumbosacral region) that doesn't fit into other specific categories.

Coding Tips

•This code targets the lumbosacral junction; confirm documentation specifies this region rather than lumbar alone
•Often associated with sacroiliitis; ensure proper distinction between lumbosacral and sacroiliac involvement

Clinical Significance

Inflammatory lumbosacral conditions affect the critical L5-S1 junction, impacting both spinal mechanics and pelvic stability. These chronic inflammatory conditions often require specialized anti-inflammatory management and careful monitoring for biomechanical complications.

Documentation Requirements

✓Lumbosacral junction involvement (L5-S1)
✓Non-infectious inflammatory etiology
✓Imaging of L5-S1 inflammatory changes
✓Assessment of lumbosacral stability
✓Pelvic alignment evaluation
✓Inflammatory marker trends
✓Response to anti-inflammatory therapy
✓Functional mobility assessment

Commonly Confused Codes

M46.57 — Infective lumbosacral spondylopathy when infectious M46.86 — Lumbar region when limited to higher lumbar levels M46.88 — Sacral region when primarily sacral involvement M53.3 — Sacrococcygeal disorders when non-inflammatory