LOINC Code 74487-0: P504S and p63 and Cytokeratin 903 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 P504S & p63 & Cytokeratin 903 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

• P504S and p63 and Cytokeratin 903 Ag [Identifier] in Tissue by Immune stain
• P504S & p63 & Cytokeratin 903 Ag
• Prostate triple stain (P504S, p63, CK903) useful for the diagnosis of prostatic intraepithelial neoplasia (PIN) or atypical adenomatous hyperplasia (AAH, or adenosis) versus prostate carcinoma.
• Antigen; Antigens; Autoimmune hepatitis; CK; Identity or presence; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Nominal; P504S+p63+CK903; PATHOLOGY; Point in time; Random; St; Stains; 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