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X12 - AK4 - Data Element Note
X12 - AK4 - Data Element Note
Micah A. Parker avatar
Written by Micah A. Parker
Updated over a month ago

Product: X12 EDI


AK4 - Data Element Note

To report errors in a data element or composite data structure and identify the location of the data element


SCHEMA


Element

Name

Min/Max

AK401

Position in Segment

AK402

Data Element Reference Number

1/4

AK403

Data Element Syntax Error Code

1/3

AK404

Copy of Bad Data Element

1/99


AK401 - Position in Segment


TYPE=N0 MIN=1 MAX=2

This is used to indicate the relative position of a simple data element, or the relative position of a composite data structure with the relative position of the component within the composite data structure, in error; in the data segment the count starts with 1 for the simple data element or composite data structure immediately following the segment ID


AK402 - Data Element Reference Number


TYPE=N0 MIN=1 MAX=4

Reference number used to locate the data element in the Data Element Dictionary


AK403 - Data Element Syntax Error Code


TYPE=ID MIN=1 MAX=3

Code indicating the error found after syntax edits of a data element

Code

Definition

1

Mandatory data element missing

2

Conditional required data element missing.

3

Too many data elements.

More data elements existed than defined for the segment

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

12

Too Many Repetitions; More repetitions existed than defined for the segment

13

Too Many Components; More components existed than defined for the element


AK404 - Copy of Bad Data Element


TYPE=AN MIN=1 MAX=99

This is a copy of the data element in error


Comments


Semantic Notes

04

In no case shall a value be used for AK404 that would generate a syntax error, e.g., an invalid character.

rev 3/3/2025

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