Specifications Manual for Joint Commission National Quality Measures (v2018B)
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Release Notes:
Data Element
Version 2018B

Data Element Name: ICD-10-CM Principal Diagnosis Code
Collected For: All Records, Optional for HBIPS-2, HBIPS-3
Definition:The ICD-10-CM diagnosis code that is primarily responsible for the admission of the patient to the hospital for care during this hospitalization.
Suggested Data Collection Question:What was the ICD-10-CM code selected as the principal diagnosis for this record?
Format:
Length:3-7 (without decimal point or dot; upper or lower case)
Type:Character
Occurs:1
Allowable Values:

Any valid diagnosis code as per the CMS ICD-10-CM master code table (Code Descriptions in Tabular Order): https://www.cms.gov/Medicare/Coding/ICD10/index.html
Notes for Abstraction:None
Suggested Data Sources:

  • Discharge summary
  • Face sheet
  • UB-04
Additional Notes:
Guidelines for Abstraction:
Inclusion Exclusion
None None

ICD-10-CM Principal Diagnosis Code
Specifications Manual for Joint Commission National Quality Measures (v2018B)
Discharges 01-01-19 (1Q19) through 06-30-19 (2Q19)
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