ICD10BillableValid for clinical use

ICD-10 Code Z01.82: Encounter for allergy testing

Z01.82 is a billable ICD-10 diagnosis code used to classify Encounter for allergy testing in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Factors influencing health status and contact with health services (Z00-Z99).

When is it used?

  • May be used when a clinician documents encounter for allergy testing in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
21Factors influencing health status and contact with health services (Z00-Z99)
block
Z00-Z13Persons encountering health services for examinations
category
Z01Encounter for other special examination without complaint, suspected or reported diagnosis
category
Z01.8Encounter for other specified special examinations
currentZ01.8

Official coding notes

Excludes1 (do not code together)
  • encounter for antibody response examination (Z01.84)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

General Physician

Coverage-related procedures and services

CPT 93325high
DOPPLER ECHOCARDIOGRAPHY COLOR FLOW VELOCITY MAPPING (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHY)
Source: CMS coverage guidance
CPT 93320high
DOPPLER ECHOCARDIOGRAPHY, PULSED WAVE AND/OR CONTINUOUS WAVE WITH SPECTRAL DISPLAY (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHIC IMAGING); COMPLETE
Source: CMS coverage guidance
CPT 93321high
DOPPLER ECHOCARDIOGRAPHY, PULSED WAVE AND/OR CONTINUOUS WAVE WITH SPECTRAL DISPLAY (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHIC IMAGING); FOLLOW-UP OR LIMITED STUDY (LIST SEPARATELY IN ADDITION TO CODES FOR ECHOCARDIOGRAPHIC IMAGING)
Source: CMS coverage guidance
HCPCS Q9956high
INJECTION, OCTAFLUOROPROPANE MICROSPHERES, PER ML
Source: CMS coverage guidance
HCPCS Q9955high
INJECTION, PERFLEXANE LIPID MICROSPHERES, PER ML
Source: CMS coverage guidance
HCPCS Q9957high
INJECTION, PERFLUTREN LIPID MICROSPHERES, PER ML
Source: CMS coverage guidance

Coding guidelines

Common synonyms

Encounter for allergy testing

Frequently asked questions

Code details

CodeZ01.82
SystemICD10
Display nameEncounter for allergy testing
ChapterFactors influencing health status and contact with health services (Z00-Z99)
BlockPersons encountering health services for examinations

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Admission(for)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Test, tests, testing(for)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

ICD-10 Code Z01.82 for Encounter for allergy testing | HealthAssure