LOINC Code 74494-6: CD34 and Coagulation factor XIII Ag Immune stain Nom (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 CD34 & Coagulation factor XIII 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

• CD34 and Coagulation factor XIII Ag [Identifier] in Tissue by Immune stain
• CD34 & Coagulation factor XIII Ag
• Double stain (Factor XIII/CD34) used to differentiate between dermatofibroma and dermatofibrosarcoma protuberans.
• Antigen; Antigens; CD34+Fac XIII; Coag; Fac; Fact; Fact XIII; Factor 13; Fibrin stabilizing factor; Fibrinase laki-lorand factor; Fibrinoligase; FXIII; gp105-120; Hematopoietic stem cell; HSC; Identity or presence; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; My10; My-10; Nominal; Pathology; Plasma transamidase; Plasma transglutaminase; Point in time; Protransglutaminase; Random; St; Stains; Stem cells; Stn; Tissue; Tissue, unspecified

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