Z13 Encounter for screening for other diseases and disorders

Category / Non-billable header 39 subcodes

Block: Persons encountering health services for examinations (Z00-Z13)

Includes

  • 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.

Excludes 1 (cannot be coded together)

  • encounter for diagnostic examination-code to sign or symptom

Subcodes

Subcodes are listed below for reference. Detail pages are not available for chapters 11–22.

Code Description Billable
Z13..0 Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism Yes
Z13..1 Encounter for screening for diabetes mellitus Yes
Z13..2 Encounter for screening for nutritional, metabolic and other endocrine disorders No
Z13..21 Encounter for screening for nutritional disorder Yes
Z13..22 Encounter for screening for metabolic disorder No
Z13..220 Encounter for screening for lipoid disorders Yes
Z13..228 Encounter for screening for other metabolic disorders Yes
Z13..29 Encounter for screening for other suspected endocrine disorder Yes
Z13..3 Encounter for screening examination for mental health and behavioral disorders No
Z13..30 Encounter for screening examination for mental health and behavioral disorders, unspecified Yes
Z13..31 Encounter for screening for depression Yes
Z13..32 Encounter for screening for maternal depression Yes
Z13..39 Encounter for screening examination for other mental health and behavioral disorders Yes
Z13..4 Encounter for screening for certain developmental disorders in childhood No
Z13..40 Encounter for screening for unspecified developmental delays Yes
Z13..41 Encounter for autism screening Yes
Z13..42 Encounter for screening for global developmental delays (milestones) Yes
Z13..49 Encounter for screening for other developmental delays Yes
Z13..5 Encounter for screening for eye and ear disorders Yes
Z13..6 Encounter for screening for cardiovascular disorders Yes
Z13..7 Encounter for screening for genetic and chromosomal anomalies No
Z13..71 Encounter for nonprocreative screening for genetic disease carrier status Yes
Z13..79 Encounter for other screening for genetic and chromosomal anomalies Yes
Z13..8 Encounter for screening for other specified diseases and disorders No
Z13..81 Encounter for screening for digestive system disorders No
Z13..810 Encounter for screening for upper gastrointestinal disorder Yes
Z13..811 Encounter for screening for lower gastrointestinal disorder Yes
Z13..818 Encounter for screening for other digestive system disorders Yes
Z13..82 Encounter for screening for musculoskeletal disorder No
Z13..820 Encounter for screening for osteoporosis Yes
Z13..828 Encounter for screening for other musculoskeletal disorder Yes
Z13..83 Encounter for screening for respiratory disorder NEC Yes
Z13..84 Encounter for screening for dental disorders Yes
Z13..85 Encounter for screening for nervous system disorders No
Z13..850 Encounter for screening for traumatic brain injury Yes
Z13..858 Encounter for screening for other nervous system disorders Yes
Z13..88 Encounter for screening for disorder due to exposure to contaminants Yes
Z13..89 Encounter for screening for other disorder Yes
Z13..9 Encounter for screening, unspecified Yes

Last reviewed: September 2026