Z11.4 Encounter for screening for human immunodeficiency virus [HIV]

The ICD-10-CM code for Encounter for screening for human immunodeficiency virus [HIV] is Z11.4 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

21: Factors influencing health status and contact with health services (Z00-Z99)

Section

Z00-Z13: Persons encountering health services for examinations (Z00-Z13)

Category Z11

14 codes (12 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Z11.4:

• Screening (for) › human immunodeficiency virus (HIV)
• Screening (for) › sexually-transmitted disease NEC › human immunodeficiency virus (HIV)
• Screening (for) › disease or disorder › human immunodeficiency virus (HIV) infection
• Screening (for) › disease or disorder › sexually-transmitted NEC › human immunodeficiency virus (HIV)
• Screening (for) › disease or disorder › viral NEC › human immunodeficiency virus (HIV)

U.S. Hospital Utilization

• An estimated 17,255 U.S. inpatient stays in 2023 included Z11.4 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Encounters for HIV testing (Z11.4, Z71.7)

(i) Encounters for HIV testing If a patient without signs or symptoms is tested for HIV, assign code Z11.4, Encounter for screening for human immunodeficiency virus [HIV]. Use additional codes for any associated high-risk behavior, if applicable. If a patient with signs or symptoms of HIV presents for HIV testing, code the signs and symptoms. An additional counseling code Z71.7, Human immunodeficiency virus [HIV] counseling, may be assigned if counseling is provided during the encounter for the test. Code Z11.4, Encounter for screening for human immunodeficiency virus [HIV], should not be assigned if HIV signs or symptoms are present. When a patient presents for follow up regarding their HIV test results and the test result is negative, assign code Z71.7, Human immunodeficiency virus [HIV] counseling.

Used with any code in range A00.0-T88.9, Z00-Z99

1) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference Z11.4 with the canonical source and edition:

Z11.4 — Encounter for screening for human immunodeficiency virus [HIV]. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Z11.4

Canonical URL: https://icd10codingpro.com/codes/Z11.4