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Clinical Classifications Software Refined (CCSR)
Elixhauser Comorbidity Software Refined for ICD-10-CM
Chronic Condition Indicator Refined for ICD-10-CM
Procedure Classes Refined for ICD-10-PCS
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CCS for Services and Procedures
Surgery Flags for Services and Procedures
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Clinical Classifications Software (CCS) for ICD-9-CM
Chronic Condition Indicator (CCI) for ICD-9-CM
Elixhauser Comorbidity Software for ICD-9-CM
Utilization Flags for Revenue Center Codes and ICD-9-CM
Procedure Classes for ICD-9-CM
Surgery Flags for ICD-9-CM
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Update to HCUP Tools for ICD-10-CM/PCS Codes, HCPCS Level I (CPT®) codes, and HCPCS Level II Codes (October 2020)
Release Date: October 2020
AHRQ has released the following updated tools:
Clinical Classifications Software Refined (CCSR)
for ICD-10-CM, v2021.1 (codes valid through FY 2021)
Elixhauser Comorbidity Software Refined
for ICD-10-CM, v2021.1 (codes valid through FY 2021)
Chronic Condition Indicator (beta version)
for ICD-10-CM, v2021.1 (codes valid through FY2021)
Procedure Classes (beta version)
for ICD-10-PCS, v2021.1 (codes valid through FY2021)
Tools using HCPCS Level I (CPT®) Codes and Level II Codes (10/30/20)
Surgery Flags for Services and Procedures
, v2019.2 and v2020.1 (valid for CY 2018-2019 and 2020)
Clinical Classifications Software (CCS) for Services and Procedures
, v2020.1 and v2019.2 (valid for CY 2018-2019 and 2020)
See the
Tools & Software
section of HCUP-US for information on the changes to each tool.
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