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Release Notes:
Data Element
Version 2010B

Data Element Name: Parity
Collected For: PC-02,
Definition:The number of deliveries, whether resulting in live or stillborn infants, the patient experienced prior to current hospitalization.
Suggested Data Collection Question:How many deliveries did the patient experience prior to current hospitalization?
Length:2 or UTD
Allowable Values:


UTD=Unable to Determine

Notes for Abstraction:The history and physical should be reviewed first for parity. If parity is not recorded in the history and physical, then continue to review the data sources in the following order: prenatal forms, delivery or operating room record and clinician admission progress note until a positive finding for parity is found. In cases where there is conflicting data, parity found in the first document according to the order listed above should be used.

The clinician admission progress note may be written by the following clincians: physician, certified nurse midwife (CNM), advanced practice nurse/physician assistant (APN/PA) or registered nurse (RN).

Suggested Data Sources:


  • History and physical
  • Prenatal forms
  • Delivery room record
  • Operating room record
  • Admission clinician progress note
Additional Notes:
Guidelines for Abstraction:
Inclusion Exclusion
The following descriptor must precede the number when determining parity:
  • Parity
  • P
Examples: parity=2 or g3p2a1
A string of three or more numbers without the alpha designation of "p" preceding the second number can not be used to determine parity.
Example: 321

Specifications Manual for Joint Commission National Quality Core Measures (2010B)
Discharges 10-01-10 (4Q10) through 03-31-11 (1Q11)