B88.9
Infestation, unspecified
BillableComplete code, valid to report
B88.9 (also written B889) is a billable ICD-10-CM diagnosis code for infestation, unspecified. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 7 codes in category B88 (Other infestations). The Alphabetic Index lists it under 7 entries. Its coding notes include a Use additional code instruction and 5 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (5 notes)
Inherited from Chapter 1 Certain infectious and parasitic diseases
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
- infectious and parasitic diseases specific to the perinatal period (P35-P39)
- influenza and other acute respiratory infections (J00-J22)
Includes
Further defines or gives examples of the content of the category.
Also from chapter/block level (1 note)
Inherited from Chapter 1 Certain infectious and parasitic diseases
- diseases generally recognized as communicable or transmissible
Inclusion terms
Conditions classified to this code.
This code
- Infestation (skin) NOS
- Infestation by mites NOS
- Skin parasites NOS
Alphabetic Index terms
Terms the official Alphabetic Index lists for this code. 7 entries