LOINCActiveObservation

LOINC Code 44813-4: HCV c22p Ab IB Ql (S)

44813-4 is a LOINC code used to identify HCV c22p Ab IB Ql (S) 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 C virus c22p Ab. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 C virus c22p Ab. It is commonly used with the system or sample type Ser.

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: Observation
  • Method: IB

What it does not mean

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

Key facts

  • Hepatitis C virus c22p Ab [Presence] in Serum by Immunoblot
  • Hepatitis C virus c22p Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Blt; HCV; HCV C22p; Hep; Hep C; Hepatis; Hepatit; Hepatology; ID; IMMUNE BLOT; Immunobl; Immunoblot; Infectious Disease; InfectiousDisease; Liver; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Screen; Serum; SR; WB; WBLOT; West blot; West blt; Western blot

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

HCV c22p Ab IB Ql (S)Hepatitis C virus c22p Ab [Presence] in Serum by ImmunoblotHCV C22p Ab Ser Ql IBHepatitis C virus c22p AbMICROHepatitis C virus (HCV) C22p antibody, BloodPrThr

Frequently asked questions

Code details

Code44813-4
SystemLOINC
Display nameHCV c22p Ab IB Ql (S)
DescriptionHepatitis C virus c22p Ab
Short nameHCV C22p Ab Ser Ql IB
ComponentHepatitis C virus c22p Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.73

Consumer names

Hepatitis C virus (HCV) C22p antibody, Blood

Part names

Hepatitis C virus c22p AbPrThrPtSerOrdIBPresence or ThresholdPoint in time (spot)SerumImmunoblot

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 44813-4 | HealthAssure