EDI Standards and Protocols 2 — Questions and Answers
Question 1: Which EDI standard is most commonly used for healthcare transactions in the United States?
- EDIFACT
- ANSI X12 (Correct answer)
- TRADACOMS
- RosettaNet
Correct answer: ANSI X12
ANSI X12 is the dominant EDI standard in the US healthcare industry, mandated by HIPAA for electronic transactions.
Question 2: In EDI, what does the ISA segment represent?
- Individual Segment Acknowledgment
- Interchange Control Header (Correct answer)
- Item Stock Acknowledgment
- Internal Sender Address
Correct answer: Interchange Control Header
The ISA (Interchange Control Header) segment is the outermost envelope in an X12 EDI transaction, identifying the sender and receiver.
Question 3: What is the purpose of the EDI 997 transaction set?
- Purchase order confirmation
- Functional acknowledgment (Correct answer)
- Invoice payment status
- Shipping notification
Correct answer: Functional acknowledgment
The 997 Functional Acknowledgment confirms receipt and syntactic validity of an EDI transmission from trading partners.
Question 4: Which delimiter separates data elements within an X12 EDI segment?
- The character defined in ISA11 (Correct answer)
- Always an asterisk (*)
- Always a colon (:)
- Always a tilde (~)
Correct answer: The character defined in ISA11
The data element separator is defined in position ISA11 of the interchange header and can be any agreed-upon character.
Question 5: In EDIFACT, what is the equivalent of the X12 ISA/IEA envelope?
- UNA/UNZ
- UNB/UNZ (Correct answer)
- UNH/UNT
- BGM/UNZ
Correct answer: UNB/UNZ
UNB (Interchange Header) and UNZ (Interchange Trailer) form the outermost interchange envelope in EDIFACT.
Question 6: What does the qualifier '00' in the ISA01 field signify?
- The interchange is encrypted
- No authorization information is present (Correct answer)
- The sender is a government entity
- The data uses EDIFACT encoding
Correct answer: No authorization information is present
ISA01 value '00' with spaces in ISA02 indicates that no authorization information qualifier or data is used.
Question 7: Which X12 transaction set is used to send an electronic purchase order?
- 810
- 820
- 850 (Correct answer)
- 856
Correct answer: 850
The 850 Purchase Order transaction set is used by buyers to electronically transmit purchase orders to suppliers.
Which EDI standard is most commonly used for healthcare transactions in the United States?