We have provided a code set below to help you identify those patients with a lab in the JIA or PsA datasets.
The anti-CCP positive/negative status is available via the following three LOINC codes:
- LOINC Code
- LOINC Name 53028-7
- Cyclic citrullinated peptide Ab [Presence] in Serum 63375-0
- Cyclic citrullinated peptide IgA+IgG Ab [Presence] in Serum 42898-7
- Cyclic citrullinated peptide IgG Ab [Presence] in Serum
The corresponding codes for the rheumatoid factor (RF) are the following:
- LOINC Code
- LOINC Name 33910-1
- Rheumatoid factor [Presence] in Serum 5297-7
- Rheumatoid factor [Presence] in Serum by Latex agglutination