ICD-10-CM
ICD-10 code for Contact (with) pediculosis: Z20.7
The ICD-10-CM index points "Contact (with) pediculosis" to Z20.7, Contact with and (suspected) exposure to pediculosis, acariasis and other infestations. Z20.7 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in Z20
A header groups codes and is not billed. A billable code is one you can report.
- Z20Contact with and (suspected) exposure to communicable diseasesHeader
- Z20.0Contact with and (suspected) exposure to intestinal infectious diseasesHeader
- Z20.01Contact with and (suspected) exposure to intestinal infectious diseases due to Escherichia coli (E. coli)Billable
- Z20.09Contact with and (suspected) exposure to other intestinal infectious diseasesBillable
- Z20.1Contact with and (suspected) exposure to tuberculosisBillable
- Z20.2Contact with and (suspected) exposure to infections with a predominantly sexual mode of transmissionBillable
- Z20.3Contact with and (suspected) exposure to rabiesBillable
- Z20.4Contact with and (suspected) exposure to rubellaBillable
- Z20.5Contact with and (suspected) exposure to viral hepatitisBillable
- Z20.6Contact with and (suspected) exposure to human immunodeficiency virus [HIV]Billable
- Z20.7Contact with and (suspected) exposure to pediculosis, acariasis and other infestationsBillable
- Z20.8Contact with and (suspected) exposure to other communicable diseasesHeader
- Z20.81Contact with and (suspected) exposure to other bacterial communicable diseasesHeader
- Z20.810Contact with and (suspected) exposure to anthraxBillable
- Z20.811Contact with and (suspected) exposure to meningococcusBillable
- Z20.818Contact with and (suspected) exposure to other bacterial communicable diseasesBillable
- Z20.82Contact with and (suspected) exposure to other viral communicable diseasesHeader
- Z20.820Contact with and (suspected) exposure to varicellaBillable
- Z20.821Contact with and (suspected) exposure to Zika virusBillable
- Z20.822Contact with and (suspected) exposure to COVID-19Billable
- Z20.828Contact with and (suspected) exposure to other viral communicable diseasesBillable
- Z20.89Contact with and (suspected) exposure to other communicable diseasesBillable
- Z20.9Contact with and (suspected) exposure to unspecified communicable diseaseBillable
Excludes1
Excludes1 means these codes are not reported together.
From Z20. A note on a category applies to every code under it.
- Z22.-Carrier of infectious disease
- diagnosed current infectious or parasitic disease -see Alphabetic Index
Excludes2
Excludes2 means the other condition can be reported with this one when both are documented.
From Z20. A note on a category applies to every code under it.
Related conditions
Related pages
- Z20.7 code detailsNotes, nearby codes, CMS-HCC group
- Category Z20Every code under it
- Chapter 21Factors influencing health status
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Contact (with) pediculosis?
The ICD-10-CM index points "Contact (with) pediculosis" to Z20.7, Contact with and (suspected) exposure to pediculosis, acariasis and other infestations. Z20.7 is a billable code.
Is Z20.7 billable?
Yes. Z20.7 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to Z20.7?
The CDC tabular list gives 2 Excludes1 notes (not coded together), 1 Excludes2 note (may be coded together when both are documented) for Z20.7 and the categories above it. They are listed on this page.
What chapter is Z20.7 in?
Chapter 21. Factors influencing health status.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.