ICD-10 Code
International Classification of Diseases, 10th Revision
Oct 16, 2017
  ICD-10 Code for Phthiriasis B85.3

B85.3 is a valid1 ICD 10 diagnosis code.

B85.3 is valid for submission for HIPAA-covered transactions.

Chapter 1 Certain infectious and parasitic diseases (A00-B99)
Section B85-B89 Pediculosis, acariasis and other infestations (B85-B89)
Category B85 Pediculosis and phthiriasis

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Infestation by crab-louse
  • Infestation by Phthirus pubis
See also ICD 10 code for

Related Terms to “Phthiriasis”

  • Crabs, meaning pubic lice - B85.3
  • Infestation - B88.9
    • crab-lice - B85.3
    • eyelid
      • in(due to)
        • phthiriasis - B85.3
    • Pediculus - B85.2
      • pubis(any site) - B85.3
    • Phthirus(pubis) (any site) - B85.3
    • pubic, louse - B85.3
  • Lice(infestation) - B85.2
    • crab - B85.3
    • pubic(Phthirus pubis) - B85.3
  • Pediculosis(infestation) - B85.2
    • pubis(pubic louse) (any site) - B85.3
    • vulvae - B85.3
  • Phthiriasis(pubis) - B85.3
See the 2017 ICD-10-CM Coding Guidelines.

Questions related to B85.3 Phthiriasis

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.