Z11.3 Encounter for screening for infections with a predominantly sexual mode of transmission
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Excludes2 (not included here)
encounter for screening for human immunodeficiency virus [HIV] (Z11.4)
encounter for screening for human papillomavirus (Z11.51)
Applies from Z11 Encounter for screening for infectious and parasitic diseases
Applicable to
Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.
Excludes1 (never code together)
encounter for diagnostic examination-code to sign or symptom
MS-DRG index
Defines the logic of DRG(s) 951 in MDC 23.
Approximate ICD-9-CM (GEMs)
V74.5 Screening examination for venereal disease
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z11.3
Back-references to Z11
Type 2 Excludes: Z00 Encounter for general examination without complaint, suspected or reported diagnosis ("special screening examinations (Z11-Z13)")
Type 2 Excludes: Z01 Encounter for other special examination without complaint, suspected or reported diagnosis ("screening examinations (Z11-Z13)")
Diagnosis Index entries for Z11.3
Screening (for) › disease or disorder › sexually-transmitted NEC
Screening (for) › disease or disorder › venereal
Screening (for) › gonorrhea
Screening (for) › sexually-transmitted disease NEC
Screening (for) › syphilis
Screening (for) › venereal disease
Test, tests, testing (for) › Wassermann
Nearby codes
Z11 Encounter for screening for infectious and parasitic diseases
Z11.0 Encounter for screening for intestinal infectious diseases
Z11.1 Encounter for screening for respiratory tuberculosis
Z11.2 Encounter for screening for other bacterial diseases
Z11.3 Encounter for screening for infections with a predominantly sexual mode of transmission (this code)
Z11.4 Encounter for screening for human immunodeficiency virus [HIV]
Z11.5 Encounter for screening for other viral diseases
Z11.51 Encounter for screening for human papillomavirus (HPV)