Z01.8

Non-Billable

ChapterZ00–Z99

Ranksubcategory

Official Description

Encounter for other specified special examinations

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

General instructions are available for the parent sections:

View Z00-Z13 Notes View Z01 Notes

Clinical Hierarchy

CH21Factors influencing health status and contact with health services (Z00-Z99)

Z00-Z13Persons encountering health services for examinations (Z00-Z13)

Z01Encounter for other special examination without complaint, suspected or reported diagnosis

Z01.8Encounter for other specified special examinations

Z01.81Encounter for preprocedural examinations

Z01.82Encounter for allergy testing

Z01.83Encounter for blood typing

Z01.84Encounter for antibody response examination

Z01.89Encounter for other specified special examinations

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z01.8:

categoryZ01

Encounter for other special examination without complaint, suspected or reported diagnosis

View context instructions

blockZ00-Z13

Persons encountering health services for examinations (Z00-Z13)

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Z01.8. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

25 raw paths

Admission (for)1 unique routes

sensitivity test

allergy NEC→Z01.8

Encounter (with health service) (for)3 unique routes

blood typing→Z01.8(2 variants)

Rh typing→Z01.8

Examination (for) (following) (general) (of) (routine)16 unique routes

allergy→Z01.8

antibody response→Z01.8

immunity status testing→Z01.8

laboratory (as part of a general medical examination)