LOINC Code 99064-8: PD-L1 by clone SP263 Doc (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 Programmed cell death ligand 1 by clone SP263. 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

What it does not mean

• The code identifies the observation or test, not the actual result.

Key facts

• PD-L1 by clone SP263 in Tissue Document
• Programmed cell death ligand 1 by clone SP263
• This term is used for the overall report for programmed cell death ligand 1 (PD-L1) protein expression in tumor cells as determined by immune staining with anti-PD-L1 clone SP263. This test is primarily intended for solid tumors except for lung cancer, melanoma, and urothelial carcinoma.
• B7 homolog 1; B7-H1; CD274; Cluster of differentiation 274; Document; Finding; Findings; i; Oncology; PATHOLOGY; PDL1; PD-L1; PD-L1 by SP263; Point in time; Random; 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