Block · Chapter 13

M65-M67 Disorders of synovium and tendon (M65-M67)

Block M65-M67 groups 3 categories with 379 billable codes in FY2027. 3 codes are new this year.

Where it sits

Neighbouring blocks

Categories in M65-M67

M65
Synovitis and tenosynovitis
Synovitis → M65.90
- 133 billable codes
M66
Spontaneous rupture of synovium and tendon
Rupture, rupturedsynovium (cyst) → M66.10
- 103 billable codes
M67
Other disorders of synovium and tendon
Ganglion (compound) (diffuse) (joint) (tendon (sheath)) → M67.40
- 143 billable codes
- 3 new

Rupture, ruptured → M66 (51 entries)
Disorder (of) → M67 (48 entries)
Tenosynovitis → M65 (28 entries)
Synovitis → M65, M67 (23 entries)
Ganglion (compound) (diffuse) (joint) (tendon (sheath)) → M67 (13 entries)
Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) → M65 (11 entries)
Hypertrophy, hypertrophic → M67 (11 entries)
Tendinitis, tendonitis → M65 (11 entries)
Trigger finger (acquired) → M65 (6 entries)
Cyst (colloid) (mucous) (simple) (retention) → M66 (1 entry)
De Quervain's → M65 (1 entry)
Disease, diseased → M65 (1 entry)
Fasciitis → M67 (1 entry)
Plica → M67 (1 entry)
Quervain's disease → M65 (1 entry)

+1 more main terms; the search box finds them by word.

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