What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveBoth

LOINC Code 60277-1: Complement C3 Ag IF Ql (Tiss)

Name: LOINC Code 60277-1: Complement C3 Ag IF Ql (Tiss)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

60277-1 is a LOINC code used to identify Complement C3 Ag IF Ql (Tiss) 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 Complement C3 Ag. It is commonly used with the system or sample type Tiss.

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 Complement C3 Ag. 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
Method: IF

What it does not mean

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

Key facts

Complement C3 Ag [Presence] in Tissue by Immunofluorescence
Complement C3 Ag
ACIF; Anticomplement Immunofluorescence; Antigen; Antigens; Beta 1 C-globulin; Comp; Complmt; DFA; FA; Fluorescent antibody; Fluoresent; HEMATOLOGY/CELL COUNTS; IFA; Immune fluorescence; Immunoflour; Immunofluor; Immunofluorescence; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Time Resolved Fluorescence; Tissue; Tissue, unspecified; TRF

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Complement C3 Ag IF Ql (Tiss) (60277-1)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Complement C3 Ag IF Ql (Tiss)Complement C3 Ag [Presence] in Tissue by ImmunofluorescenceC3 Ag Tiss Ql IFComplement C3 AgHEM/BCComplement C3 antigen, TissuePrThr

Frequently asked questions

Code details

Code60277-1

SystemLOINC

Display nameComplement C3 Ag IF Ql (Tiss)

DescriptionComplement C3 Ag

Short nameC3 Ag Tiss Ql IF

ComponentComplement C3 Ag

PropertyPrThr

TimingPt

System (specimen)Tiss

ScaleOrd

MethodIF

ClassHEM/BC

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.34

Last changed2.73

Consumer names

Complement C3 antigen, Tissue

Part names

Complement C3 AgPrThrPtTissOrdIFPresence or ThresholdPoint in time (spot)Tissue and SmearsImmunofluorescence (IF)

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.