LOINCActiveBoth

LOINC Code 10435-6: C5B-9 Ag Immune stain Ql (Tiss)

10435-6 is a LOINC code used to identify C5B-9 Ag Immune stain 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 C5B-9 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 C5B-9 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: Immune stain

What it does not mean

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

Key facts

  • C5B-9 Ag [Presence] in Tissue by Immune stain
  • C5B-9 Ag
  • Antigen; Antigens; C5B9; CELL MARKERS; IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; St; Stains; Stn; Tissue; Tissue, unspecified

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

C5B-9 Ag Immune stain Ql (Tiss)C5B-9 Ag [Presence] in Tissue by Immune stainC5B9 Ag Tiss Ql ImStnC5B-9 AgCELLMARKC5B-9 antigen, TissuePrThr

Frequently asked questions

Code details

Code10435-6
SystemLOINC
Display nameC5B-9 Ag Immune stain Ql (Tiss)
DescriptionC5B-9 Ag
Short nameC5B9 Ag Tiss Ql ImStn
ComponentC5B-9 Ag
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodImmune stain
ClassCELLMARK
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0i
Last changed2.56

Consumer names

C5B-9 antigen, Tissue

Part names

C5B-9 AgPrThrPtTissOrdImmune stainPresence or ThresholdPoint in time (spot)Tissue and Smears

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 10435-6 | HealthAssure