HL7 v2.5.1 standard metadata — single source of truth.

Compile-time catalogs for segments, data types, message structures, and trigger-to-structure mappings from the HL7 v2.5.1 specification.

Each entry includes a capability tier indicating the library's current level of support:

• :typed — full parse/encode with Elixir struct
• :raw — preserved as raw fields during typed parsing, no typed access
• :unsupported — not in the library, unknown segments become raw tuples

Usage

HL7v2.Standard.segment("PID")
#=> %{name: "Patient Identification", tier: :typed, module: HL7v2.Segment.PID}

HL7v2.Standard.type("CX")
#=> %{name: "Extended Composite ID with Check Digit", category: :composite, tier: :typed}

HL7v2.Standard.segment_tier("PID")
#=> :typed