Z13
ICD-10Non-billable categoryEncounter for screening for other diseases and disorders
Official ICD-10-CM descriptor (FY2026)
Encounter for screening for other diseases and disorders
Z13 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
Inclusion terms
- Screening is the testing for disease or disease precursors in asymptomatic individuals so that early detection and treatment can be provided for those who test positive for the disease.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- encounter for diagnostic examination-code to sign or symptom
More specific codes under Z13
- Z13.0Encntr screen for dis of the bld/bld-form org/immun mechnsm
- Z13.1Encounter for screening for diabetes mellitus
- Z13.2Encntr screen for nutritional, metabolic and oth endo disordcategory
- Z13.3Encntr screen exam for mental health and behavrl disorderscategory
- Z13.4Encntr screen for certain developmental disorders in chldhdcategory
- Z13.5Encounter for screening for eye and ear disorders
- Z13.6Encounter for screening for cardiovascular disorders
- Z13.7Encntr screen for genetic and chromosomal anomaliescategory
- Z13.8Encounter for screening for oth diseases and disorderscategory
- Z13.9Encounter for screening, unspecified
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.