DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 13

M15-M19 Osteoarthritis (M15-M19)

Block M15-M19 groups 5 categories with 98 billable codes in FY2027.

Categories
5
Billable codes
98
CC codes
0
MCC codes
0
HCC V28 codes
0
New FY2027
0

Categories in M15-M19

  • M15

    Polyosteoarthritis

    Polyarthrosis → M15.9

    • 7 billable codes
  • M16

    Osteoarthritis of hip

    Osteoarthritiship → M16.9

    • 15 billable codes
  • M17

    Osteoarthritis of knee

    Osteoarthritisknee → M17.9

    • 11 billable codes
  • M18

    Osteoarthritis of first carpometacarpal joint

    Osteoarthritishand jointfirst carpometacarpal joint → M18.9

    • 13 billable codes
  • M19

    Other and unspecified osteoarthritis

    Osteoarthritis → M19.90

    • 52 billable codes

Index main terms

  • Osteoarthritis → M15, M16, M17, M18, M19 (101 entries)
  • Osteoarthrosis (degenerative) (hypertrophic) (joint) → M15 (4 entries)
  • Polyarthrosis → M15 (4 entries)
  • Node(s) → M15 (3 entries)
  • Polyosteoarthritis → M15 (3 entries)
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) → M19 (1 entry)
  • Arthrosis (deformans) (degenerative) (localized) → M19 (1 entry)
  • Atrophy, atrophic (of) → M15 (1 entry)
  • Bouchard's nodes (with arthropathy) → M15 (1 entry)
  • Disease, diseased → M15 (1 entry)
  • Haygarth's nodes → M15 (1 entry)
  • Heberden's disease or nodes (with arthropathy) → M15 (1 entry)
  • Morbus → M16 (1 entry)
  • Nodule(s), nodular → M15 (1 entry)
  • Osteoarthropathy (hypertrophic) → M19 (1 entry)

Block instructions

Excludes2

  • osteoarthritis of spine (M47.-) M47

Notes that also apply

Instructions for the group M00-M25 (Includes 1): printed on the chapter 13 page.

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