LOINCActiveBoth

LOINC Code 17570-3: SCL-70 extractable nuclear IgG IA Ql (S)

17570-3 is a LOINC code used to identify SCL-70 extractable nuclear IgG IA 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 SCL-70 extractable nuclear Ab.IgG. 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 SCL-70 extractable nuclear Ab.IgG. 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

  • SCL-70 extractable nuclear IgG Ab [Presence] in Serum by Immunoassay
  • SCL-70 extractable nuclear Ab.IgG
  • ABS; Aby; ANA; ANA IgG; ANF; Antby; Anti; Antibodies; Antibody; Antinuclear antibody; anti-topo I; Autoantibodies; Autoantibody; DNA-Topoisomerase I; EIA; ELFA; ELISA; ENA; ENA Scl70; Enzyme immunoassay; IAA; Immune globulin G; Immunoglobulin G; MEIA; NA; Nuc; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Scleroderma; Scleroderma ab; Screen; Serology; Serum; SR; SUDS; Topo I; Topoisomerase I

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

SCL-70 extractable nuclear IgG IA Ql (S)SCL-70 extractable nuclear IgG Ab [Presence] in Serum by ImmunoassayENA Scl70 IgG Ser Ql IASCL-70 extractable nuclear Ab.IgGSEROSCL-70 extractable nuclear IgG antibody, BloodPrThr

Frequently asked questions

Code details

Code17570-3
SystemLOINC
Display nameSCL-70 extractable nuclear IgG IA Ql (S)
DescriptionSCL-70 extractable nuclear Ab.IgG
Short nameENA Scl70 IgG Ser Ql IA
ComponentSCL-70 extractable nuclear Ab.IgG
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIA
ClassSERO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.73

Consumer names

SCL-70 extractable nuclear IgG antibody, Blood

Part names

SCL-70 extractable nuclear Ab.IgGPrThrPtSerOrdIASCL-70 extractable nuclear IgGPresence or ThresholdPoint 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 17570-3 | HealthAssure