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RE: HIPAA: Does use of a qualifier mean validation should be done?

From: "Rachel Foerster" <rachel@...>
Date: Fri Dec 5, 2003  7:17 pm
Subject: RE: [EDI-L] HIPAA: Does use of a qualifier mean validation should be done?
Anthony, I don't agree with your conclusion re validation. DMG02 has a
semantic note in the standard which says that the value is the date of
birth. Code D8 states that the date is in the format of CCYYMMDD. With this
specificity, it is clearly within the ability of any syntax analyzer to
validate that the values are reasonable for each component of the date.
Clearly 99 is not a valid value for the day nor for the month.

Claredi is correct in classifiying that value of 19999999 as invalid at the
syntax level of the X12 standards.

Rachel Foerster
Rachel Foerster & Associates, Ltd.
Voice: 847-872-8070
email: <mailto:

-----Original Message-----
From: anthonybeecher [mailto: Sent: Thursday, December 04, 2003 3:18 PM
To: Subject: [EDI-L] HIPAA: Does use of a qualifier mean validation should be
done?


I am trying to classify an error level for a rejected data element,
DMG02, where DMG01 is "D8" and the data value in DMG02 is "19999999";
obviously there is no month 99 and no day 99.

Claredi calls it a Level 1 error - against X12 Standard Requirements.
I disagree with this assessment.

In my mind, the only validation that is required relative to X12
Syntax Requirements is that the field is type AN and sized from 1 to
35 bytes.

From a pure X12 standpoint, does the use of a qualifier imply a
forced validation of the format of the data element that it
qualifies?

I guess the possible answers would be:
1. no validation is required; only X12 AN and 1-35 applies
2. validation is required that 8 numeric values exist
3. validation is required that 8 numeric values exist and the
subportions are expressing proper ranges 1-12 for MM and 1-31 for DD
4. If 3 - then leap year rules also apply?

Thanks
Anthony Beecher




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