LOINC Code 49846-9: HCV core Ag Ql (Bld/BM donor)

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 Hepatitis C virus core Ag. It is commonly used with the system or sample type Bld/Bone mar^Donor.

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

• Hepatitis C virus core Ag [Presence] in Blood or Marrow from Donor
• Hepatitis C virus core Ag
• Antigen; Antigens; Bld/Mar; Blood; BM; BON; Bone marrow; Donr; HCV; HCV core; HCV core Ag; Hep; Hep C; Hepatis; Hepatit; Hepatology; ID; Infectious Disease; InfectiousDisease; Liver; MAR; Marrow (bone); Microbiology; minimal angle of resolution; Minimum angle of resolution; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; UniversalLabOrders; WB; Whole blood; Whole blood or Bone marrow

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