EHC^E21: Cancel Authorization Request

Cancel Authorization Request. It's sent as an EHC message (Health Care Invoice) with the EHC_E21 message structure.

Message type

EHC · Health Care Invoice

Trigger event

E21

Message structure

EHC_E21 · per HL7's current table 0354; older versions sometimes paired events differently

In MSH-9

EHC^E21^EHC_E21

Source: HL7 Terminology (THO) 7.4.0, published by HL7 International under CC0. Check your trading partner's specification for the values they actually send.