Record Types:
SIA (Admission), SID (Discharge) | Version: CoBHRM 2026-Q3 | Parent: ADMISSIONOverview
The SUBSTANCE USE DISORDER schema captures detailed information about substances used by clients. There are two record types:- SIA - Substance Use at Admission: Substance use patterns at intake
- SID - Substance Use at Discharge: Substance use status at end of treatment
Transaction Types: All record types support Add (
A), Update (U), and Replace (R) transactions. See Transaction Types for details.1. Schema Reference
Identifier Fields
ASAM Level of Care
Primary Substance Fields
Secondary Substance Fields
Tertiary Substance Fields
Admission vs. Discharge fields: Route of Use and Age of First Use are required at admission (
SIA) and optional at discharge (SID). At discharge, substance type and usage frequency in the last 30 days are always required.System Metadata Fields
These fields are required in every submission and track record creation and modification:2. Examples
Minimal Valid Example (SIA - Admission)
Client using alcohol as primary substance, no secondary or tertiary. ASAM Level 1.0 (Outpatient).Minimal Valid Example (SID - Discharge)
Corresponding discharge record. Substances must match admission. Route of Use and Age of First Use are optional at discharge.Complete Example: Multiple Substances (SIA)
Client with heroin (primary), methamphetamine (secondary), and nicotine (tertiary). All per-slot fields populated.Nicotine (
28) is valid as secondary or tertiary but cannot be used as the primary substance. Route of Use and Age of First Use are required at admission for each substance that is not 00 (None).Edge Case: Differential Assessment (No Substances)
For a differential assessment admission (SERVICE_IDENTIFIER = 00), substance codes can all be 00 (None).
3. Template
View SUBSTANCE USE Template
SUBSTANCE USE schema template with headers and sample row
4. Parsing Rules
CSV Parsing Rules
See File Format Requirements for full details on encoding, quoting, data types, and null handling.
5. Update Semantics
Primary Key
RECORD_TYPE + BHASO_ADMISSION_IDENTIFIER