ICD-10-CM category
Z13: Encounter for screening for other diseases and disorders
Codes under Z13 (Encounter for screening for other diseases and disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z13.0 | Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism | ✓ |
| Z13.0 | Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism | ✓ |
| Z13.1 | Encounter for screening for diabetes mellitus | ✓ |
| Z13.1 | Encounter for screening for diabetes mellitus | ✓ |
| Z13.2 | Encounter for screening for nutritional, metabolic and other endocrine disorders | — |
| Z13.2 | Encounter for screening for nutritional, metabolic and other endocrine disorders | — |
| Z13.3 | Encounter for screening examination for mental health and behavioral disorders | — |
| Z13.3 | Encounter for screening examination for mental health and behavioral disorders | — |
| Z13.4 | Encounter for screening for certain developmental disorders in childhood | — |
| Z13.4 | Encounter for screening for certain developmental disorders in childhood | — |
| Z13.5 | Encounter for screening for eye and ear disorders | ✓ |
| Z13.5 | Encounter for screening for eye and ear disorders | ✓ |
| Z13.6 | Encounter for screening for cardiovascular disorders | ✓ |
| Z13.6 | Encounter for screening for cardiovascular disorders | ✓ |
| Z13.7 | Encounter for screening for genetic and chromosomal anomalies | — |
| Z13.7 | Encounter for screening for genetic and chromosomal anomalies | — |
| Z13.8 | Encounter for screening for other specified diseases and disorders | — |
| Z13.8 | Encounter for screening for other specified diseases and disorders | — |
| Z13.9 | Encounter for screening, unspecified | ✓ |
| Z13.9 | Encounter for screening, unspecified | ✓ |
| Z13.21 | Encounter for screening for nutritional disorder | ✓ |
| Z13.21 | Encounter for screening for nutritional disorder | ✓ |
| Z13.22 | Encounter for screening for metabolic disorder | — |
| Z13.22 | Encounter for screening for metabolic disorder | — |
| Z13.29 | Encounter for screening for other suspected endocrine disorder | ✓ |
| Z13.29 | Encounter for screening for other suspected endocrine disorder | ✓ |
| Z13.30 | Encounter for screening examination for mental health and behavioral disorders, unspecified | ✓ |
| Z13.30 | Encounter for screening examination for mental health and behavioral disorders, unspecified | ✓ |
| Z13.31 | Encounter for screening for depression | ✓ |
| Z13.31 | Encounter for screening for depression | ✓ |
| Z13.32 | Encounter for screening for maternal depression | ✓ |
| Z13.32 | Encounter for screening for maternal depression | ✓ |
| Z13.39 | Encounter for screening examination for other mental health and behavioral disorders | ✓ |
| Z13.39 | Encounter for screening examination for other mental health and behavioral disorders | ✓ |
| Z13.40 | Encounter for screening for unspecified developmental delays | ✓ |
| Z13.40 | Encounter for screening for unspecified developmental delays | ✓ |
| Z13.41 | Encounter for autism screening | ✓ |
| Z13.41 | Encounter for autism screening | ✓ |
| Z13.42 | Encounter for screening for global developmental delays (milestones) | ✓ |
| Z13.42 | Encounter for screening for global developmental delays (milestones) | ✓ |
| Z13.49 | Encounter for screening for other developmental delays | ✓ |
| Z13.49 | Encounter for screening for other developmental delays | ✓ |
| Z13.71 | Encounter for nonprocreative screening for genetic disease carrier status | ✓ |
| Z13.71 | Encounter for nonprocreative screening for genetic disease carrier status | ✓ |
| Z13.79 | Encounter for other screening for genetic and chromosomal anomalies | ✓ |
| Z13.79 | Encounter for other screening for genetic and chromosomal anomalies | ✓ |
| Z13.81 | Encounter for screening for digestive system disorders | — |
| Z13.81 | Encounter for screening for digestive system disorders | — |
| Z13.82 | Encounter for screening for musculoskeletal disorder | — |
| Z13.82 | Encounter for screening for musculoskeletal disorder | — |
| Z13.83 | Encounter for screening for respiratory disorder NEC | ✓ |
| Z13.83 | Encounter for screening for respiratory disorder NEC | ✓ |
| Z13.84 | Encounter for screening for dental disorders | ✓ |
| Z13.84 | Encounter for screening for dental disorders | ✓ |
| Z13.85 | Encounter for screening for nervous system disorders | — |
| Z13.85 | Encounter for screening for nervous system disorders | — |
| Z13.88 | Encounter for screening for disorder due to exposure to contaminants | ✓ |
| Z13.88 | Encounter for screening for disorder due to exposure to contaminants | ✓ |
| Z13.89 | Encounter for screening for other disorder | ✓ |
| Z13.89 | Encounter for screening for other disorder | ✓ |
| Z13.220 | Encounter for screening for lipoid disorders | ✓ |
| Z13.220 | Encounter for screening for lipoid disorders | ✓ |
| Z13.228 | Encounter for screening for other metabolic disorders | ✓ |
| Z13.228 | Encounter for screening for other metabolic disorders | ✓ |
| Z13.810 | Encounter for screening for upper gastrointestinal disorder | ✓ |
| Z13.810 | Encounter for screening for upper gastrointestinal disorder | ✓ |
| Z13.811 | Encounter for screening for lower gastrointestinal disorder | ✓ |
| Z13.811 | Encounter for screening for lower gastrointestinal disorder | ✓ |
| Z13.818 | Encounter for screening for other digestive system disorders | ✓ |
| Z13.818 | Encounter for screening for other digestive system disorders | ✓ |
| Z13.820 | Encounter for screening for osteoporosis | ✓ |
| Z13.820 | Encounter for screening for osteoporosis | ✓ |
| Z13.828 | Encounter for screening for other musculoskeletal disorder | ✓ |
| Z13.828 | Encounter for screening for other musculoskeletal disorder | ✓ |
| Z13.850 | Encounter for screening for traumatic brain injury | ✓ |
| Z13.850 | Encounter for screening for traumatic brain injury | ✓ |
| Z13.858 | Encounter for screening for other nervous system disorders | ✓ |
| Z13.858 | Encounter for screening for other nervous system disorders | ✓ |
Frequently asked questions
What is ICD-10-CM code Z13?
Z13 is an ICD-10-CM category covering Encounter for screening for other diseases and disorders. It contains 78 more specific diagnosis codes, 60 of which are billable.
Is Z13 a billable code?
No — Z13 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z13.0 — Encounter for screening for diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism). 60 of the 78 codes under Z13 are billable.
What codes fall under Z13?
Z13 includes Z13.0, Z13.0, Z13.1, Z13.1, Z13.2, plus 73 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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