Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
In Persons encountering health services for examinations (Z00-Z13), chapter 21: Factors Influencing Health Status and Contact with Health Services
- Z09 is billable and valid on claims for FY 2027. If the record has more detail, check the other codes under Z00-Z13 below.
- As a secondary diagnosis it is not a CC or MCC, so it doesn't raise the MS-DRG payment.
- Doesn't count toward a Medicare Advantage risk score (no HCC in V28).
- Medicare edits don't accept it as the principal diagnosis. (Unacceptable Principal list)
- Exempt from present-on-admission (POA) reporting. (POA Exempt list)
Also indexed as: Admission, follow-up examination; Examination, following, treatment; Examination, following, treatment, combined NEC; Examination, following, treatment, combined NEC, fracture; Examination, following, treatment, mental disorder; Examination, following, treatment, specified condition NEC; Examination, follow-up; Examination, follow-up, chemotherapy NEC; Examination, follow-up, fracture; Examination, follow-up, psychotherapy; Examination, follow-up, radiotherapy NEC; Examination, follow-up, surgery NEC; Examination, psychiatric NEC, follow-up not needing further care
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Instructional notes
Includes: conditions that are coded here
- Medical surveillance following completed treatment
Excludes1: not coded here, use a different code
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
Covers when and how to use Z codes (Z00-Z99) for encounters and supplementary information, including contact, status, history, screening, aftercare, exams, and social determinants of health.
Other codes under Z00-Z13
Persons encountering health services for examinations (Z00-Z13)
- Z00Encounter for general examination without complaint, suspected or reported diagnosis
- Z01Encounter for other special examination without complaint, suspected or reported diagnosis
- Z02Encounter for administrative examination
- Z03Encounter for medical observation for suspected diseases and conditions ruled out
- Z04Encounter for examination and observation for other reasons
- Z05Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
- Z08Encounter for follow-up examination after completed treatment for malignant neoplasm
- Z09Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm(this code)
- Z11Encounter for screening for infectious and parasitic diseases
- Z12Encounter for screening for malignant neoplasms
- Z13Encounter for screening for other diseases and disorders
Z09 MS-DRG
As the principal diagnosis, Z09 groups to MS-DRG 951 (v44.0).
Related conditions
Grouped by AHRQ's Clinical Classifications Software Refined (CCSR), which sorts every diagnosis code into clinically meaningful categories.
Z09 is in Other aftercare encounter (FAC010), with 50 codes. Others in it:
- Z43.0 Encounter for attention to tracheostomy
- Z43.1 Encounter for attention to gastrostomy
- Z43.2 Encounter for attention to ileostomy
- Z43.3 Encounter for attention to colostomy
- Z43.4 Encounter for attention to other artificial openings of digestive tract
- Z43.5 Encounter for attention to cystostomy
- Z43.6 Encounter for attention to other artificial openings of urinary tract
- Z43.7 Encounter for attention to artificial vagina
Medicare coverage articles listing Z09
These 33 Medicare billing and coding articles list Z09 as a diagnosis that supports medical necessity for the services they cover. From the CMS Medicare Coverage Database; check your own contractor's article before billing.
- Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI) (3 contractors)
- Bone Mass Measurement (2 contractors)
- Cardiac Catheterization and Coronary Angiography (2 contractors)
- Cardiovascular Nuclear Medicine (2 contractors)
- Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy (2 contractors)
- Magnetic Resonance Angiography (MRA) (2 contractors)
- Non-Invasive Vascular Studies (2 contractors)
- Ophthalmology: Posterior Segment Imaging (Extended Ophthalmoscopy and Fundus Photography) (2 contractors)
- Peripheral Venous Ultrasound (2 contractors)
- Transthoracic Echocardiography (TTE) (2 contractors)
And 23 more.
Other codes that refer to Z09
Notes on these codes point to Z09.
- Z40-Z53 Excludes2: follow-up examination for medical surveillance after treatment (Z08-Z09)
- Z48 Excludes1: encounter for follow-up examination after completed treatment (Z08-Z09)
- Z51 Excludes1: follow-up examination after treatment (Z08-Z09)
- Z77-Z99 Code Also: any follow-up examination (Z08-Z09)
- Z86 Code First: any follow-up examination after treatment (Z09)
- Z87 Code First: any follow-up examination after treatment (Z09)
- Z98 Excludes2: follow-up medical care (Z08-Z09)
Code history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.
ICD-9-CM equivalent
Legacy crosswalk from the CMS General Equivalence Mappings (last updated 2018).
- V67.00 Follow-up examination, following surgery, unspecified (approximate)
- V67.09 Follow-up examination, following other surgery (approximate)
- V67.1 Follow-up examination, following radiotherapy (approximate)
- V67.2 Follow-up examination, following chemotherapy (approximate)
- V67.3 Follow-up examination, following psychotherapy and other treatment for mental disorder (approximate)
- V67.4 Follow-up examination, following treatment of healed fracture (approximate)
- V67.51 Follow-up examination, following completed treatment with high-risk medication, not elsewhere classified (approximate)
- V67.59 Other follow-up examination (approximate)
- V67.6 Follow-up examination, following combined treatment (approximate)
- V67.9 Unspecified follow-up examination (approximate)