SNOMED CT covers mental health more granularly than most teams use. The mental disorder hierarchy under 74732009 has hundreds of concepts, the symptom and finding axes carry their own depth, and the relationships between them are what make

ICD-10-CM for substance use disorder is denser than it looks. The F10 to F19 block covers ten substance classes, each with its own remission, intoxication, withdrawal, and induced-disorder structure. The F19 (other psychoactive substances)

ICD-10-CM has more trauma-related codes than people remember. The PTSD code (F43.10 and its subtypes) is the visible one; the rest of the F43 family, the T-codes for external causes, the Z-codes for traumatic events, and the cross-walks to

CPT psychotherapy coding looks like a small code list and behaves like a small operating system. 90832, 90834, 90837, plus add-ons (+90785, +90840), plus the family and group counterparts, plus the time-unit rules that decide which code is

DSM-5 coding inside a FHIR terminology service is one of those problems that sounds solved on paper and shows up cracked in production. The diagnoses are stable, the licensing is well-known, and the structure maps cleanly to a CodeSystem re

Behavioral health has its own coding gravity. Diagnoses live across DSM-5 and ICD-10-CM, billing pulls in CPT psychotherapy codes with time units, social-determinants screening lights up Z-codes the rest of the chart rarely touches, and med