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Release Notes:
Data Element
Version 2013B

Data Element Name: ICD-9-CM Principal Diagnosis Code
Collected For: All Records , Optional for HBIPS-2 and HBIPS-3; Used in algorithm for PC-01, 02, 03, 04, 05 and PBM-03
Definition:The International Classification of Diseases, Ninth Revision, Clinical Modification (ICD-9-CM) code associated with the diagnosis established after study to be chiefly responsible for occasioning the admission of the patient for this hospitalization.
Suggested Data Collection Question:What was the ICD-9-CM code selected as the principal diagnosis for this record?
Format:
Length:6 (implied decimal point)
Type:Alphanumeric
Occurs:1
Allowable Values:

Any valid ICD-9-CM diagnosis code

Notes for Abstraction:The principal diagnosis is defined in the Uniform Hospital Discharge Data Set (UHDDS) as “that condition established after study to be chiefly responsible for occasioning the admission of the patient to the hospital for care.”
Suggested Data Sources:

  • Face sheet
  • Discharge summary
  • UB-04, Field Location: 67
Additional Notes:
Guidelines for Abstraction:
Inclusion Exclusion
  • Refer to Appendix A, for ICD-9-CM Code Tables.
  • Refer to Appendix A, for ICD-9-CM Code Tables.

ICD-9-CM Principal Diagnosis Code
Specifications Manual for Joint Commission National Quality Measures (v2013B)
Discharges 07-01-13 (3Q13) through 12-31-13 (4Q13)