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KID Description of Data Elements
The KID is set of longitudinal hospital inpatient databases included in the HCUP family. These databases are created by AHRQ through a Federal-State-Industry partnership.
 
PRVn - Validity Flag: Procedure n
 
Documentation Sections:
General Notes
Uniform Values
State Specific Notes
General Notes
 

PRVn are validity flags that identify invalid or inconsistent ICD-9-CM procedures in the data elements PRn. There is one validity flag for each procedure, i.e., PRV1 is the validity flag for PR1.

The following are acceptable values for PRVn:

0 Indicates a valid and consistent procedure code.
1 Indicates an invalid code for the discharge date. A six-month window around the discharge date (three months before and three months after) is allowed for anticipation of or lags in response to official ICD-9-CM coding changes.
. Indicates a missing (blank) procedure code.
.C Indicates that the code is inconsistent with sex of the patient (ED2nn) or the patient's age (ED5nn).

This data element was discontinued in 1998. Information on the validity of a procedure code is retained within the data element PRn.

 
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Uniform Values
VariableDescriptionValueValue Description
PRVnValidity Flag: Procedure n0Valid code
1Invalid code
.No procedure code
.CInconsistent: in 1988-1997 data, ED2nn, ED5nn
 
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State Specific Notes
None
 
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Internet Citation: HCUP KID Description of Data Elements. Healthcare Cost and Utilization Project (HCUP). September 2008. Agency for Healthcare Research and Quality, Rockville, MD. www.hcup-us.ahrq.gov/db/vars/prvn/kidnote.jsp.
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Last modified 9/17/08