Specifications Manual for Joint Commission National Quality Measures (v2018A)
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Release Notes:
Data Element
Version 2018A

Data Element Name: Admitting Diagnosis
Collected For: CSTK-04
Definition:The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code associated with the diagnosis established at the time of the patient's admission to the hospital.
Suggested Data Collection Question:What was the ICD-10-CM diagnosis code selected as the admitting 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:The admitting diagnosis is defined as the initial working diagnosis documented by the patient's admitting or attending physician who determined that inpatient care was necessary.
Suggested Data Sources:

  • Face sheet
  • Admission form
  • Code List
  • Problem List
Additional Notes:
Guidelines for Abstraction:
Inclusion Exclusion
None None

Admitting Diagnosis
Specifications Manual for Joint Commission National Quality Measures (v2018A)
Discharges 07-01-18 (3Q18) through 12-31-18 (4Q18)
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