LOINCActiveBoth

LOINC Code 63329-7: RNA polymerase III Ab IA Qn (S)

63329-7 is a LOINC code used to identify RNA polymerase III Ab IA Qn (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 RNA polymerase III Ab. It is commonly used with the system or sample type Ser.

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 RNA polymerase III 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: Both
  • Method: IA

What it does not mean

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

Key facts

  • RNA polymerase III Ab [Units/volume] in Serum by Immunoassay
  • RNA polymerase III Ab
  • 3; ABS; Aby; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; MEIA; Point in time; Pol III; QNT; Quan; Quant; Quantitative; Random; Ribonucleic acid; RNAp III; Serology; Serum; SR; SUDS

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

RNA polymerase III Ab IA Qn (S)RNA polymerase III Ab [Units/volume] in Serum by ImmunoassayRNAp III Ab Ser IA-aCncRNA polymerase III AbSERORNA Polymerase III antibody, BloodACnc

Frequently asked questions

Code details

Code63329-7
SystemLOINC
Display nameRNA polymerase III Ab IA Qn (S)
DescriptionRNA polymerase III Ab
Short nameRNAp III Ab Ser IA-aCnc
ComponentRNA polymerase III Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
MethodIA
ClassSERO
Example unitsarb U/mL
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.73

Consumer names

RNA Polymerase III antibody, Blood

Part names

RNA polymerase III AbACncPtSerQnIAArbitrary ConcentrationPoint in time (spot)SerumImmunoassay

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 63329-7 | HealthAssure