DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 13

M91-M94 Chondropathies (M91-M94)

Block M91-M94 groups 4 categories with 212 billable codes in FY2027.

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M91-M94 Chondropathies (M91-M94)

Neighbouring blocks

Categories
4
Billable codes
212
CC codes
0
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in M91-M94

  • M91

    Juvenile osteochondrosis of hip and pelvis

    Pseudocoxalgia → M91.3-

    • 19 billable codes
  • M92

    Other juvenile osteochondrosis

    Tibia vara → M92.51-

    • 48 billable codes
  • M93

    Other osteochondropathies

    Osteochondropathy → M93.90

    • 105 billable codes
  • M94

    Other disorders of cartilage

    Chondritis → M94.8X9

    • 40 billable codes

Index main terms

  • Osteochondrosis → M91, M92, M93 (41 entries)
  • Osteochondropathy → M93 (23 entries)
  • Chondromalacia (systemic) → M94 (16 entries)
  • Osteochondritis → M92, M93 (12 entries)
  • Slipped, slipping → M93 (5 entries)
  • Chondritis → M94 (3 entries)
  • Disorder (of) → M94 (3 entries)
  • Syndrome → M94 (3 entries)
  • Apophysitis (bone) → M92 (2 entries)
  • Coxa → M91 (2 entries)
  • Disease, diseased → M92, M94 (2 entries)
  • Blount disease or osteochondrosis → M92 (1 entry)
  • Buchanan's disease or osteochondrosis → M91 (1 entry)
  • Calcaneo-apophysitis → M92 (1 entry)
  • Chondrolysis → M94 (1 entry)

+16 more main terms; the search box finds them by word.

Block instructions

Excludes1

  • postprocedural chondropathies (M96.-) M96

Notes that also apply

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