LOINC Code 74493-8: PAX5 and CD5 Ag Immune stain Nom (Tiss)
74493-8 is a LOINC code used to identify PAX5 and CD5 Ag Immune stain Nom (Tiss) in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component PAX5 & CD5 Ag. It is commonly used with the system or sample type Tiss.
What is this code?
LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component PAX5 & CD5 Ag. It is commonly used with the system or sample type Tiss.
When is it used?
- Used in lab systems, EHRs, and clinical data exchange.
- May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
- Status: ACTIVE
- Order vs observation: Both
- Method: Immune stain
What it does not mean
- The code identifies the observation or test, not the actual result.
Key facts
- PAX5 and CD5 Ag [Identifier] in Tissue by Immune stain
- PAX5 & CD5 Ag
- Double stain (PAX5/CD5) useful for the identification of CD5- coexpressing B-cell lymphoma.
- Antigen; Antigens; Identity or presence; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Leu1; Leu-1; Ly-1; Nominal; Pathology; PAX5+CD5; Point in time; Random; St; Stains; Stn; T1; Tissue; Tissue, unspecified; Tp67
Where you may see this code
You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.
Common synonyms
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.