DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 13

M50-M54 Other dorsopathies (M50-M54)

Block M50-M54 groups 4 categories with 133 billable codes in FY2027.

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M50-M54 Other dorsopathies (M50-M54)

Neighbouring blocks

Categories
4
Billable codes
133
CC codes
10
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in M50-M54

  • M50

    Cervical disc disorders

    Disorder (of)disc (intervertebral)cervical → M50.90

    • 42 billable codes
    • 7 CC
  • M51

    Thoracic, thoracolumbar, and lumbosacral intervertebral disc disorders

    Disorder (of)disc (intervertebral) → M51.9

    • 36 billable codes
    • 3 CC
  • M53

    Other and unspecified dorsopathies, not elsewhere classified

    Sacralgia → M53.3

    • 22 billable codes
  • M54

    Dorsalgia

    Dorsalgia → M54.9

    • 33 billable codes

Index main terms

  • Disorder (of) → M50, M51, M53 (86 entries)
  • Pain(s) → M53, M54 (24 entries)
  • Radiculopathy → M50, M54 (16 entries)
  • Disease, diseased → M51, M53 (14 entries)
  • Displacement, displaced → M50, M51, M53 (14 entries)
  • Panniculitis (nodular) (nonsuppurative) → M54 (13 entries)
  • Degeneration, degenerative → M51, M53 (12 entries)
  • Dorsopathy → M53 (10 entries)
  • Syndrome → M53, M54 (9 entries)
  • Defect, defective → M51 (7 entries)
  • Lumbago, lumbalgia → M51, M54 (5 entries)
  • Schmorl's disease or nodes → M51, M53 (5 entries)
  • Dislocation (articular) → M53 (4 entries)
  • Instability → M53 (4 entries)
  • Neuritis (rheumatoid) → M51, M54 (4 entries)

+22 more main terms; the search box finds them by word.

Block instructions

Excludes1

  • current injury - see injury of spine by body region
  • discitis NOS (M46.4-) M46.4

Notes that also apply

Chapter 13 instructions (Notes 1, Excludes2 10): printed on the chapter 13 page.