Z11
Non-billableEncounter for screening for infectious and parasitic diseases
Z11 is the ICD-10-CM code for Encounter for screening for infectious and parasitic diseases. It is a non-billable category code — use a more specific child code such as Z11.0 for billing.
- Status
- Header (non-billable)
- Chapter
- Z00-Z99
- Subcodes
- 10
- Edition
- FY2026
Z00-Z99 Factors influencing health status and contact with health services
Includes
- •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 — not coded here
- •encounter for diagnostic examination-code to sign or symptom
Frequently asked questions
- What is ICD-10 code Z11?
- Z11 is the ICD-10-CM code for "Encounter for screening for infectious and parasitic diseases". It falls under Z00-Z99 Factors influencing health status and contact with health services.
- Is Z11 a billable code?
- No — Z11 is a non-billable header code. Use a more specific child code (such as Z11.0) for billing.
- What is excluded from Z11?
- Excludes1 (not coded here): encounter for diagnostic examination-code to sign or symptom.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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