Z01.21 Encounter for dental examination and cleaning with abnormal findings

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Encounter for dental examination and cleaning with abnormal findings is Z01.21 (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 Z01.21:

  • Examination (for) (following) (general) (of) (routine) › teeth › with abnormal findings
  • Dental › examination › with abnormal findings
  • Examination (for) (following) (general) (of) (routine) › dental › with abnormal findings
  • Admission (for) › examination at health care facility (adult) › dental › with abnormal findings
Use Additional Code
  • code to identify abnormal findings

U.S. Hospital Utilization

Z01.21 appeared in too few sampled U.S. inpatient stays in 2023 to report a national estimate (AHRQ suppresses counts of 10 or fewer) — a rare inpatient diagnosis.

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

Cite This Page

Reference Z01.21 with the canonical source and edition:

Z01.21 — Encounter for dental examination and cleaning with abnormal findings. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/Z01.21

Canonical URL: https://icd10codingpro.com/codes/Z01.21

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 Z01.3 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 Z01.41 Encounter for routine gynecological examination
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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

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