DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

B80 diagnosis code · Billable category · FY2027

B80 Enterobiasis

  • Billable
  • CC
  • POA reported

B80 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 1 Certain infectious and parasitic diseases (A00-B99)
  2. B65-B83 Helminthiases (B65-B83)
  3. B80 Enterobiasis
CC / MCC
CC
MS-DRG
391-392
HCC V28
–
POA
Reported
Code Editor
–
Index entries
21

Instructions

At B80

Includes

  • oxyuriasis
  • pinworm infection
  • threadworm infection

Notes that also apply

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

Index entries

  • Appendicopathia oxyurica → B80
  • Enterobiasis → B80
  • Enterobius vermicularis (infection) (infestation) → B80
  • Oxyuriasis → B80
  • Oxyuris vermicularis (infestation) → B80
  • Pinworm (disease) (infection) (infestation) → B80
  • Seatworm (infection) (infestation) → B80
  • Threadworm (infection) (infestation) → B80
  • Disease, diseasedpinworm → B80
  • Infection, infected, infective (opportunistic)Enterobius vermicularis → B80
  • Infection, infected, infective (opportunistic)Oxyuris vermicularis → B80
  • Infection, infected, infective (opportunistic)pinworm → B80
  • Infection, infected, infective (opportunistic)threadworm → B80
  • InfestationEnterobius vermicularis → B80
  • InfestationOxyuris vermicularis → B80
  • Infestationpinworm → B80
  • Infestationthreadworm → B80
  • Infestationnematode NEC (intestinal)Enterobius vermicularis → B80
  • Infestationnematode NEC (intestinal)physaloptera → B80
  • Vaginitis (acute) (circumscribed) (diffuse) (emphysematous) (nonvenereal) (ulcerative)in (due to)pinworm infection → B80 [N77.1]
  • Infestationhelminthintestinalenterobiasis → B80

NCHS Alphabetic Index. Index first, then the Tabular List.

Medicare grouping and edits

CMS files for B80
CC / MCCCC
PDX exclusion list0259 (16 codes)
Appendix BMDC 06 Diseases and Disorders of the Digestive System, MS-DRG 391-392 (Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCC…)
Code Editor–
POAReported
HCC V28–

CC as a secondary diagnosis, not when the principal diagnosis is on its PDX exclusion list.

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy