997 Acknowledgment Error Codes

January 30, 2015

The following table lists show all possible error codes used within the segments of the 997 functional acknowledgment.

AK304 - Segment Syntax Error Code

Code	Definition
1	Unrecognized segment ID
2	Unexpected segment
3	Mandatory segment missing
4	Loop Occurs Over Maximum Times
5	Segment Exceeds Maximum Use
6	Segment Not in Defined Transaction Set
7	Segment Not in Proper Sequence
8	Segment Has Data Element Errors

AK403 - Data Element Syntax Error Code

Code	Definition
1	Mandatory data element missing
2	Conditional required data element missing.
3	Too many data elements.
4	Data element too short.
5	Data element too long.
6	Invalid character in data element.
7	Invalid code value.
8	Invalid Date
9	Invalid Time
10	Exclusion Condition Violated

AK501 - Transaction Set Acknowledgment Code

Code	Definition
A	Accepted
E	Accepted But Errors Were Noted
M	Rejected, Message Authentication Code (MAC) Failed
R	Rejected
W	Rejected, Assurance Failed Validity Tests
X	Rejected, Content After Decryption Could Not Be Analyzed

AK502 - Transaction Set Syntax Error Code

Code	Definition
1	Transaction Set Not Supported
2	Transaction Set Trailer Missing
3	Transaction Set Control Number in Header and Trailer Do Not Match
4	Number of Included Segments Does Not Match Actual Count
5	One or More Segments in Error
6	Missing or Invalid Transaction Set Identifier
7	Missing or Invalid Transaction Set Control Number
8	Authentication Key Name Unknown
9	Encryption Key Name Unknown
10	Requested Service (Authentication or Encrypted) Not Available
11	Unknown Security Recipient
12	Incorrect Message Length (Encryption Only)
13	Message Authentication Code Failed
15	Unknown Security Originator
16	Syntax Error in Decrypted Text
17	Security Not Supported
23	Transaction Set Control Number Not Unique within the Functional Group
24	S3E Security End Segment Missing for S3S Security Start Segment
25	S3S Security Start Segment Missing for S3E Security End Segment
26	S4E Security End Segment Missing for S4S Security Start Segment
27	S4S Security Start Segment Missing for S4E Security End Segment

AK503 - Transaction Set Syntax Error Code

Code	Definition
	Use the same codes indicated in AK502.

AK504 - Transaction Set Syntax Error Code

Code	Definition
	Use the same codes indicated in AK502.

AK505 - Transaction Set Syntax Error Code

Code	Definition
	Use the same codes indicated in AK502.

AK506 - Transaction Set Syntax Error Code

Code	Definition
	Use the same codes indicated in AK502.

AK901 - Functional Group Acknowledge Code

Code	Definition
A	Accepted
E	Accepted, But Errors Were Noted
M	Rejected, Message Authentication Code (MAC)Failed
P	Partially Accepted, At Least One Transaction Set Was Rejected
R	Rejected
W	Rejected, Assurance Failed Validity Tests
X	Rejected, Content After Decryption Could Not Be Analyzed

AK905 - Functional Group Syntax Error Code

Code	Definition
1	Functional Group Not Supported
2	Functional Group Version Not Supported
3	Functional Group Trailer Missing
4	Group Control Number in the Functional Group Header and Trailer Do Not Agree
5	Number of Included Transaction Sets Does Not Match Actual Count
6	Group Control Number Violates Syntax
10	Authentication Key Name Unknown
11	Encryption Key Name Unknown
12	Requested Service (Authentication or Encryption) Not Available
13	Unknown Security Recipient
14	Unknown Security Originator
15	Syntax Error in Decrypted Text
16	Security Not Supported
17	Incorrect Message Length (Encryption Only)
18	Message Authentication Code Failed
23	S3E Security End Segment Missing for S3S Security Start Segment
24	S3S Security Start Segment Missing for S3E End Segment
25	S4E Security End Segment Missing for S4S Security Start Segment
26	S4S Security Start Segment Missing for S4E Security End Segment

AK906 - Functional Group Syntax Error Code

Code	Definition
	Use the same codes indicated in AK905.

AK907 - Functional Group Syntax Error Code

Code	Definition
	Use the same codes indicated in AK905.

AK908 - Functional Group Syntax Error Code

Code	Definition
	Use the same codes indicated in AK905.

AK909 - Functional Group Syntax Error Code

Code	Definition
	Use the same codes indicated in AK905.

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