75842-5
LOINC Code
| LOINC code | 75842-5 | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| name | |||||||||||||||||
| description | The Clinical Disease Activity Index (CDAI) instrument contains several measurements or scores used to determine rheumatoid arthritis disease activity. The overall CDAI score is calculated using a linear sum of the following: tender 28 joint count, swollen 28 joint count, patient global assessment (PtGA), and physician (or evaluator) global assessment (EGA). The CDAI uses the same measures as the Simple disease activity index (SDAI, [LOINC: 75843-3]) except it does not include the measurement of C-reactive protein levels, an acute phase reactant. | ||||||||||||||||
| status | ACTIVE | ||||||||||||||||
Fully-Specified Name | |||||||||||||||||
| component | Clinical disease activity index | ||||||||||||||||
| property | - | ||||||||||||||||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||||||||||||||||
| system | ^Patient | ||||||||||||||||
| scale | - | ||||||||||||||||
| method | CDAI | ||||||||||||||||
Additional Names | |||||||||||||||||
| short name | Activ; Actvty; Dis; Diseases; Dz; Movements; Pan; Panel; PANEL.SURVEY.GNHLTH; Panl; Pnl; Point in time; Random; Survey; SURVEY.GNHLTH | ||||||||||||||||
Basic Attributes | |||||||||||||||||
| class | PANEL.SURVEY.GNHLTH | ||||||||||||||||
| type | 4 Surveys | ||||||||||||||||
Panel Components | |||||||||||||||||
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History/Usage | |||||||||||||||||
| first released | |||||||||||||||||
| last updated | 2.64 | ||||||||||||||||
| last change type | MIN - change to field other than name | ||||||||||||||||
Related Names | |||||||||||||||||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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