LOINCActiveBoth

LOINC Code 70154-0: HBV surface Ag Confirm [%]

70154-0 is a LOINC code used to identify HBV surface Ag Confirm [%] in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. 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 Ser/Plas.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

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 Ser/Plas.

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: Confirm

What it does not mean

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

Key facts

  • Hepatitis B virus surface Ag in Serum or Plasma by Confirmatory method
  • Hepatitis B virus surface Ag
  • %; Antigen; Antigens; Australia antigen; Cfm; CNFR; CNFRM; Conf; Confirmation; Confirmatory; GCMS; HBs; HBsAG; HBV; HBV surface; Hep; Hep B; Hep Bs; Hepatis; Hepatit; Hepatology; HepB; ID; Infectious Disease; InfectiousDisease; LC/MS/MS; Liver; Microbiology; Pl; Plasma; Plsm; Point in time; QNT; Quan; Quant; Quantitative; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; SR; 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

HBV surface Ag Confirm [%]Hepatitis B virus surface Ag in Serum or Plasma by Confirmatory methodHBV surface Ag SerPl Cfm-%Hepatitis B virus surface AgMICROHepatitis B virus (HBV) Surface antigen, BloodAFr

Frequently asked questions

Code details

Code70154-0
SystemLOINC
Display nameHBV surface Ag Confirm [%]
DescriptionHepatitis B virus surface Ag
Short nameHBV surface Ag SerPl Cfm-%
ComponentHepatitis B virus surface Ag
PropertyAFr
TimingPt
System (specimen)Ser/Plas
ScaleQn
MethodConfirm
ClassMICRO
Example units% neutralization
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.40
Last changed2.73

Consumer names

Hepatitis B virus (HBV) Surface antigen, Blood

Part names

Hepatitis B virus surface AgAFrPtSer/PlasQnConfirmArbitrary fractionPoint in time (spot)Serum or Plasma

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.

LOINC Code 70154-0 | HealthAssure