2026 ICD-10-CM Diagnosis Code B88.09Other acariasis

ICD-10-CM CodesA00–B99B85-B89B88

ICD-10-CM B88.09
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B88.09 is a billable ICD-10-CM diagnosis code for other acariasis. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 606 through 607.

Code Identity

ICD-10-CM Code
B88.09
Billable Status
Yes — Valid for Submission
Code Describes
Other acariasis
Short Description
Other acariasis
Same as the full description in the CMS dataset.
Parent Code
Other acariasis

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB85-B89Pediculosis, acariasis and other infestations
CategoryB88Other infestations
This CodeB88.09Other acariasis

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Acariasis
  • Allergic asthma caused by Dermatophagoides farinae
  • Allergic asthma caused by Dermatophagoides pteronyssinus
  • Allergic conjunctivitis caused by Dermatophagoides farinae
  • Allergic conjunctivitis caused by Dermatophagoides pteronyssinus
  • Allergic rhinitis caused by animals
  • Allergic rhinitis caused by Dermatophagoides farinae
  • Allergic rhinitis caused by Dermatophagoides pteronyssinus
  • Allergic rhinitis caused by house dust mite
  • Baker's itch
  • Barley itch
  • Bean itch
  • Chemical-induced asthma
  • Cheyletiella dermatitis
  • Copra itch
  • Cotton-seed itch
  • Dermatitis due to cat mite infestation
  • Dermatitis due to chicken mite infestation
  • Dermatitis due to dog mite infestation
  • Dermatitis due to mouse mite infestation
  • Dermatitis due to northern fowl mite infestation
  • Dermatitis due to rabbit mite infestation
  • Dermatitis due to rat mite infestation
  • Dermatophagoidal dermatosis
  • Dermatosis caused by follicle mite
  • Dermatosis caused by food mite
  • Dermatosis caused by harvest mite
  • Dermatosis caused by insect mite
  • Dermatosis caused by mites
  • Dermatosis caused by parasitic avian mite
  • Dermatosis caused by parasitic mammalian mite
  • Dermatosis caused by plant mite
  • Dermatosis caused by zoonotic mite
  • Dermatosis due to mite infestation of stored product
  • Grain-shoveller's itch
  • Grocer's itch
  • Infection by Myobia musculi
  • Infection by Tyrophagus
  • Infestation by Acarapis
  • Infestation by Acarus
  • Infestation by Chorioptes
  • Infestation by Chorioptes bovis
  • Infestation by Cytodites nudus
  • Infestation by Demodex
  • Infestation by Demodex folliculorum
  • Infestation by Dermanyssidae
  • Infestation by Dermanyssus
  • Infestation by Dermanyssus gallinae
  • Infestation by Knemidokoptes
  • Infestation by Knemidokoptes gallinae
  • Infestation by Knemidokoptes mutans
  • Infestation by Knemidokoptes pilae
  • Infestation by Macronyssidae
  • Infestation by Myobia
  • Infestation by Myocoptes
  • Infestation by Myocoptes musculinus
  • Infestation by Notoedres
  • Infestation by Notoedres cati
  • Infestation by Ornithonyssus
  • Infestation by Otodectes
  • Infestation by Otodectes cynotis
  • Infestation by Pneumonyssus
  • Infestation by Psorergates
  • Infestation by Psorergates ovis
  • Infestation by Psorergates simplex
  • Infestation by Psoroptes
  • Infestation by Pyemotes
  • Infestation by Pyemotes ventricosus
  • Infestation by Tarsonemidae
  • Infestation by Trombicula
  • Infestation by Varroa
  • Infestation by Varroidae
  • Infestion by Cytodites
  • Perennial allergic rhinitis
  • Spider mite dermatitis
  • Straw itch

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Acarine dermatitis
  • Dermatitis due to Dermanyssus gallinae
  • Dermatitis due to Liponyssoides sanguineus
  • Trombiculosis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Acariasis
    • Acarodermatitis(urticarioides)
    • Bite(s) (animal) (human)
      • chigger
    • Bite(s) (animal) (human)
      • red bug
    • Cheese itch
    • Chigger(infestation)
    • Copra itch
    • Dermatitis(eczematous)
      • acarine
    • Dermatitis(eczematous)
      • due to
        • Dermanyssus gallinae
    • Dermatitis(eczematous)
      • due to
        • Liponyssoides sanguineus
    • Dermatitis(eczematous)
      • harvest mite
    • Dermatitis(eczematous)
      • Leptus
    • Dermatitis(eczematous)
      • mite
    • Diarrhea, diarrheal(disease) (infantile) (inflammatory)
      • mite
    • Disease, diseased
      • South African creeping
    • Grain mite(itch)
    • Infection, infected, infective(opportunistic)
      • Trombicula (irritans)
    • Infestation
      • Acariasis
    • Infestation
      • Acariasis
        • trombiculae
    • Infestation
      • chigger
    • Infestation
      • Dermanyssus gallinae
    • Infestation
      • Liponyssoides sanguineus
    • Infestation
      • red bug
    • Infestation
      • Tetranychus molestissimus
    • Infestation
      • Trombicula (irritans)
    • Itch, itching
      • cheese
    • Itch, itching
      • copra
    • Itch, itching
      • grain
    • Itch, itching
      • grocer's
    • Itch, itching
      • harvest
    • Itch, itching
      • poultrymen's
    • Itch, itching
      • scrub
    • Itch, itching
      • straw
    • Leptus dermatitis
    • Lumbermen's itch
    • Mite(s) (infestation)
      • diarrhea
    • Mite(s) (infestation)
      • grain (itch)
    • Mite(s) (infestation)
      • hair follicle (itch)
    • Mite(s) (infestation)
      • in sputum
    • Poultrymen's itch
    • Red bugs
    • Straw itch
    • Trombiculosis, trombiculiasis, trombidiosis

Code History & ChangesHistory

New Code B88.09 was added to the ICD-10-CM code set for FY 2026, effective October 1, 2025.

Replacement B88.09 replaces the following previously assigned code(s):

  • B88.0 - Other acariasis
FY 2026AddedAdded to the ICD-10-CM code setEffective October 1, 2025.
FY 2026CurrentRevised in the current code setEffective October 1, 2025 through September 30, 2026.

Questions About B88.09Overview

Is B88.09 (Other acariasis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report other acariasis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does B88.09 group to?

When other acariasis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 606, 607, with relative weights from 0.9064 to 1.5132 depending on complications. Higher weights mean higher Medicare reimbursement.