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ICD-10 Code Z09: Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

Z09 is a billable ICD-10 diagnosis code used to classify Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm 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 follow-up examination after completed treatment for conditions other than malignant neoplasm 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
currentZ00-Z13

Official coding notes

Inclusion terms
  • Medical surveillance following completed treatment
Applicable to
  • code to identify any applicable history of disease code (Z86.-, Z87.-)
Excludes1 (do not code together)
  • aftercare following medical care (Z43-Z49, Z51)
  • surveillance of contraception (Z30.4-)
  • surveillance of prosthetic and other medical devices (Z44-Z46)
Use additional code
  • code to identify any applicable history of disease code (Z86.-, Z87.-)

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 PhysicianOncologist

Related codes

Z00Encounter for general examination without complaint, suspected or reported diagnosiscategoryZ01Encounter for other special examination without complaint, suspected or reported diagnosiscategoryZ02Encounter for administrative examinationcategoryZ03Encounter for medical observation for suspected diseases and conditions ruled outcategoryZ04Encounter for examination and observation for other reasonscategoryZ05Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled outcategoryZ08Encounter for follow-up examination after completed treatment for malignant neoplasmcodeZ11Encounter for screening for infectious and parasitic diseasescategoryZ12Encounter for screening for malignant neoplasmscategoryZ13Encounter for screening for other diseases and disorderscategory

Coverage-related procedures and services

CPT 93880high
DUPLEX SCAN OF EXTRACRANIAL ARTERIES; COMPLETE BILATERAL STUDY
Source: CMS coverage guidance
CPT 93882high
DUPLEX SCAN OF EXTRACRANIAL ARTERIES; UNILATERAL OR LIMITED STUDY
Source: CMS coverage guidance
CPT 92083high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; EXTENDED EXAMINATION (EG, GOLDMANN VISUAL FIELDS WITH AT LEAST 3 ISOPTERS PLOTTED AND STATIC DETERMINATION WITHIN THE CENTRAL 30 DEG, OR QUANTITATIVE, AUTOMATED THRESHOLD PERIMETRY, OCTOPUS PROGRAM G-1, 32 OR 42, HUMPHREY VISUAL FIELD ANALYZER FULL THRESHOLD PROGRAMS 30-2, 24-2, OR 30/60-2)
Source: CMS coverage guidance
CPT 92082high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; INTERMEDIATE EXAMINATION (EG, AT LEAST 2 ISOPTERS ON GOLDMANN PERIMETER, OR SEMIQUANTITATIVE, AUTOMATED SUPRATHRESHOLD SCREENING PROGRAM, HUMPHREY SUPRATHRESHOLD AUTOMATIC DIAGNOSTIC TEST, OCTOPUS PROGRAM 33)
Source: CMS coverage guidance
CPT 92081high
VISUAL FIELD EXAMINATION, UNILATERAL OR BILATERAL, WITH INTERPRETATION AND REPORT; LIMITED EXAMINATION (EG, TANGENT SCREEN, AUTOPLOT, ARC PERIMETER, OR SINGLE STIMULUS LEVEL AUTOMATED TEST, SUCH AS OCTOPUS 3 OR 7 EQUIVALENT)
Source: CMS coverage guidance
CPT 44388high
COLONOSCOPY THROUGH STOMA; DIAGNOSTIC, INCLUDING COLLECTION OF SPECIMEN(S) BY BRUSHING OR WASHING, WHEN PERFORMED (SEPARATE PROCEDURE)
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
Z09

Common synonyms

Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

Frequently asked questions

Code details

CodeZ09
SystemICD10
Display nameEncounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
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)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)Examination(for) (following) (general) (of) (routine)

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.