Data element name

Sub data element name


Code System Owner

NameUC San Diego
Email address
Phone number(858) 534-2230
Address9500 Gilman Dr. La Jolla, CA 92093
Code System Maintainer (Steward)Name
Email address
Phone number
Code System PublisherName
Email address
Phone number
Code System NamesFormal name of the code systemChronic Illness and Disability Payment System (CDPS) 
Short name of the code systemCDPS
Code System Technical IdentifiersHTA-endorsed URI
HTA-endorsed OID
Other URIs
Other OIDs
Case Sensitive Codes (TRUE/FALSE)TRUE (default value)
Code System InformationLink

"The Chronic Illness and Disability Payment System (CDPS) is a diagnostic-based risk adjustment model that is widely used to adjust capitated payments for health plans that enroll Medicaid beneficiaries.

CDPS uses International Classification of Disease (ICD) codes to assign CDPS Categories that indicate illness burden related to major body systems (e.g. cardiovascular) or types of chronic disease (e.g. diabetes). Within each major category is a hierarchy reflecting both the clinical severity of the condition and its expected effect on future costs. Each of the hierarchical CDPS Categories is assigned a CDPS weight. CDPS weights are additive across major categories."

Arrangement or agreements with HL7 for use of content
Version management
"The CDPS model was developed in 2000 using data from seven Fee-for-Service (FFS) Medicaid programs.  The model received major updates in 2009 (using national FFS Medicaid data from 2002-2005) and in 2014 (using additional national FFS Medicaid data from 2011). CDPS has also received regular annual updates to include the most recent ICD and NDC codes."
Code System Copyright, Intellectual Property and LicensingCopyright Statement
Copyright Information
Intellectual Property Information
Licensing Information"For licensing CDPS including MRX and CDPS+MRx, please contact Subramanian (Subbu) Venkatraman at:"
HTA endorsement status (Draft, In review, Endorsed for use, Pending re-endorsement, Retired) ValueApproved for use
Assignment date20230711
HTA review statusLast review date20230711
Next review date
Information current as at (date)
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