DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 13

M05-M14 Inflammatory polyarthropathies (M05-M14)

Block M05-M14 groups 10 categories with 1,185 billable codes in FY2027.

Where it sits

  1. Chapter 13 Diseases of the musculoskeletal system and connective tissue (M00-M99)
  2. M05-M14 Inflammatory polyarthropathies (M05-M14)

Neighbouring blocks

Categories
10
Billable codes
1,185
CC codes
23
MCC codes
0
HCC V28 codes
461
New FY2027
0

Categories in M05-M14

  • M05

    Rheumatoid arthritis with rheumatoid factor

    Felty's syndrome → M05.00

    • 211 billable codes
    • 23 CC
    • 211 with HCC
  • M06

    Other rheumatoid arthritis

    Bursitisrheumatoid → M06.20

    • 101 billable codes
    • 101 with HCC
  • M07

    Enteropathic arthropathies

    Arthropathyenteropathic → M07.60

    • 24 billable codes
  • M08

    Juvenile arthritis

    Still's disease or syndrome (juvenile) → M08.20

    • 125 billable codes
    • 125 with HCC
  • M1A

    Chronic gout

    Gout, chronic → M1A.9

    • 242 billable codes
  • M10

    Gout

    Podagra → M10.9

    • 121 billable codes
  • M11

    Other crystal arthropathies

    Chondrocalcinosis → M11.20

    • 97 billable codes
  • M12

    Other and unspecified arthropathy

    Arthropathy → M12.9

    • 169 billable codes
    • 24 with HCC
  • M13

    Other arthritis

    Monoarthritis → M13.10

    • 47 billable codes
  • M14

    Arthropathies in other diseases classified elsewhere

    Arthropathyneuropathic (Charcot) → M14.60

    • 48 billable codes

Index main terms

  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) → M05, M06, M08, M11, M13 (119 entries)
  • Rheumatoid → M05 (60 entries)
  • Arthropathy → M07, M12, M14 (59 entries)
  • Gout, chronic → M1A (57 entries)
  • Gout, gouty (acute) (attack) (flare) → M10 (56 entries)
  • Chondrocalcinosis → M11 (33 entries)
  • Disease, diseased → M11, M12 (22 entries)
  • Still's disease or syndrome (juvenile) → M06, M08 (13 entries)
  • Synovitis → M12 (13 entries)
  • Rheumatism (articular) (neuralgic) (nonarticular) → M12 (12 entries)
  • Bursitis → M06 (11 entries)
  • Hydrarthrosis → M12 (11 entries)
  • Nodule(s), nodular → M06 (11 entries)
  • Felty's syndrome → M05 (10 entries)
  • Monoarthritis → M13 (9 entries)

+9 more main terms; the search box finds them by word.

Block instructions

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.