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EDI Reference
EDI Inspector
Stedi EDI Network
JSONata Playground
The only API-first healthcare clearinghouse
•
Connect to thousands of healthcare payers
Stedi
EDI Reference
EDI Inspector
Stedi EDI Network
JSONata Playground
Contact us
Sign in
Sign up
X12 Release 2003
Transaction Sets
Segments
Elements
EDI Inspector
Reference
X12 Release 2003
Segments
W1 Block Identification
W1
Block Identification
To specify block identifier for cars listed in the transaction set
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Position
Element
Name
Type
Requirement
Min
Max
Repeat
W1-01
42
Block Identification
String (AN)
Mandatory
1
12
-
Identifier for a group of cars.