Z01.818 Encounter for other preprocedural examination

✓ Billable ICD-10-CM 2026
Open Z01.818 in Web App →

The ICD-10-CM code for Encounter for other preprocedural examination is Z01.818 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Section
Z00-Z13: Persons encountering health services for examinations (Z00-Z13)
Category Z01
34 codes (23 billable)
FY2026 Status
Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to Z01.818:

  • Examination (for) (following) (general) (of) (routine) › prior to chemotherapy (antineoplastic)
  • Examination (for) (following) (general) (of) (routine) › pre-chemotherapy (antineoplastic)
  • Examination (for) (following) (general) (of) (routine) › pre-procedural (pre-operative) › specified NEC
  • Examination (for) (following) (general) (of) (routine) › medical (adult) (for) (of) › pre-procedural › specified NEC

Inclusion Terms

  • Encounter for preprocedural examination NOS
  • Encounter for examinations prior to antineoplastic chemotherapy

U.S. Hospital Utilization

  • An estimated 16,355 U.S. inpatient stays in 2023 included Z01.818 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

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.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.20.a.1
Additional codes with observation code (fragment)

observation code, but only if they are unrelated to the suspected condition being observed.

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.21.c.6

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

References

Related Codes

Parent Code

Z01 Encounter for other special examination without complaint, suspected or reported diagnosis

Related Codes in Z01

Z01 Encounter for other special examination without complaint, suspected or reported diagnosis Z01.0 Encounter for examination of eyes and vision Z01.00 Encounter for examination of eyes and vision without abnormal findings Z01.01 Encounter for examination of eyes and vision with abnormal findings Z01.02 Encounter for examination of eyes and vision following failed vision screening Z01.020 Encounter for examination of eyes and vision following failed vision screening without abnormal findings Z01.021 Encounter for examination of eyes and vision following failed vision screening with abnormal findings Z01.1 Encounter for examination of ears and hearing Z01.10 Encounter for examination of ears and hearing without abnormal findings Z01.11 Encounter for examination of ears and hearing with abnormal findings Z01.110 Encounter for hearing examination following failed hearing screening Z01.118 Encounter for examination of ears and hearing with other abnormal findings Z01.12 Encounter for hearing conservation and treatment Z01.2 Encounter for dental examination and cleaning Z01.20 Encounter for dental examination and cleaning without abnormal findings Z01.21 Encounter for dental examination and cleaning with abnormal findings Z01.3 Encounter for examination of blood pressure Z01.30 Encounter for examination of blood pressure without abnormal findings Z01.31 Encounter for examination of blood pressure with abnormal findings Z01.4 Encounter for gynecological examination
Search all 70,000+ ICD-10-CM codes →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial