LOINC Code 77739-1: HBV surface Ag Ql (Mother)

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 B virus surface Ag. It is commonly used with the system or sample type ^Mother.

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

• Mother's Hepatitis B virus surface Ag status
• Hepatitis B virus surface Ag
• This term should be used to report the birth mother's Hepatitis B surface antigen status.
• Antigen; Antigens; Australia antigen; HBs; HBsAG; HBV; HBV surface; Hep; Hep B; Hep Bs; Hepatis; Hepatit; HepB; ID; Infectious Disease; InfectiousDisease; Mat; Maternal; Matnl; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Surf

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