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B85.4

B85.4: Mixed pediculosis and phthiriasis

Billable / specific codeICD-10-CM

B85.4 is a billable, specific ICD-10-CM code for mixed pediculosis and phthiriasis. It is valid for submission on a claim.

Check B85.4 with the rest of the claim: free scrubber

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Infestation classifiable to more than one of the categories B85.0-B85.3

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Lice›mixed(classifiable to more than one of the titles B85.0-B85.3)
  • Pediculosis›mixed(classifiable to more than one of the titles B85.0-B85.3)
  • Infestation›Pediculus›mixed(classifiable to more than one of the titles B85.0-B85.3)

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under B85

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.