DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 1

B65-B83 Helminthiases (B65-B83)

Block B65-B83 groups 19 categories with 85 billable codes in FY2027.

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. B65-B83 Helminthiases (B65-B83)

Neighbouring blocks

Categories
19
Billable codes
85
CC codes
73
MCC codes
1
HCC V28 codes
0
New FY2027
0

Categories in B65-B83

  • B65

    Schistosomiasis [bilharziasis]

    Schistosomiasis → B65.9

    • 6 billable codes
    • 6 CC
  • B66

    Other fluke infections

    Distomiasis → B66.9

    • 8 billable codes
    • 7 CC
  • B67

    Echinococcosis

    Echinococcus (infection) → B67.90

    • 14 billable codes
    • 14 CC
  • B68

    Taeniasis

    Taenia (infection) (infestation) → B68.9

    • 3 billable codes
    • 3 CC
  • B69

    Cysticercosis

    Neurocysticercosis → B69.0

    • 5 billable codes
    • 5 CC
  • B70

    Diphyllobothriasis and sparganosis

    Sparganosis → B70.1

    • 2 billable codes
    • 2 CC
  • B71

    Other cestode infections

    Coenurosis → B71.8

    • 4 billable codes
    • 3 CC
  • B72

    Dracunculiasis

    Dracontiasis → B72

    • Billable, no subdivisions
    • 1 CC
  • B73

    Onchocerciasis

    River blindness → B73.01

    • 5 billable codes
    • 5 CC
  • B74

    Filariasis

    Mumu → B74.9

    • 7 billable codes
    • 7 CC
  • B75

    Trichinellosis

    Trichinella spiralis (infection) (infestation) → B75

    • Billable, no subdivisions
    • 1 CC
  • B76

    Hookworm diseases

    Coolie itch → B76.9

    • 4 billable codes
    • 4 CC
  • B77

    Ascariasis

    Ascariasis → B77.9

    • 4 billable codes
    • 3 CC
    • 1 MCC
  • B78

    Strongyloidiasis

    Strongyloidiasis, strongyloidosis → B78.9

    • 4 billable codes
    • 3 CC
  • B79

    Trichuriasis

    Trichuriasis → B79

    • Billable, no subdivisions
    • 1 CC
  • B80

    Enterobiasis

    Oxyuriasis → B80

    • Billable, no subdivisions
    • 1 CC
  • B81

    Other intestinal helminthiases, not elsewhere classified

    Ternidensiasis → B81.8

    • 6 billable codes
    • 6 CC
  • B82

    Unspecified intestinal parasitism

    Nematodiasis (intestinal) → B82.0

    • 2 billable codes
    • 1 CC
  • B83

    Other helminthiases

    Thelaziasis → B83.8

    • 7 billable codes

Index main terms

  • Infestation → B65, B66, B67, B68, B70, B71, B72, B73, B74, B75, B76, B77, B79, B80, B81, B82, B83 (175 entries)
  • Infection, infected, infective (opportunistic) → B66, B67, B68, B70, B71, B72, B74, B75, B76, B77, B79, B80, B81, B82, B83 (67 entries)
  • Schistosomiasis → B65 (37 entries)
  • Disease, diseased → B65, B66, B71, B73, B74, B76, B79, B80, B82 (25 entries)
  • Echinococcus (infection) → B67 (24 entries)
  • Bilharziasis → B65 (13 entries)
  • Trichinellosis, trichiniasis, trichinelliasis, trichinosis → B75 (13 entries)
  • Anemia (essential) (general) (hemoglobin deficiency) (infantile) (primary) (profound) → B70, B76 (12 entries)
  • Cyst (colloid) (mucous) (simple) (retention) → B67 (10 entries)
  • Distomiasis → B65, B66 (10 entries)
  • Cysticercosis, cysticerciasis → B69 (8 entries)
  • Onchocerciasis, onchocercosis → B73 (8 entries)
  • Helminthiasis → B76, B81, B82, B83 (7 entries)
  • Taenia (infection) (infestation) → B67, B68, B71 (7 entries)
  • Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) → B72, B74, B83 (6 entries)

+159 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

Chapter 1 instructions (Includes 1, Excludes2 5, Use additional code 1): printed on the chapter 1 page.