LOINC

LOINC Code 31447-6: Jo-1 extractable nuclear Ab Qn (S)

31447-6 is a LOINC code used to identify Jo-1 extractable nuclear Ab 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 Jo-1 extractable nuclear 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 Jo-1 extractable nuclear 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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Jo-1 extractable nuclear Ab [Units/volume] in Serum
  • Jo-1 extractable nuclear Ab
  • ABS; Aby; ANA; ANF; Antby; Anti; Antibodies; Antibody; Antinuclear antibody; Arbitrary concentration; Autoantibodies; Autoantibody; ENA; ENA Jo1; Histidyl-tRNA synthease; i; NA; Nuc; Point in time; QNT; Quan; Quant; Quantitative; Random; Serology; Serum; SR

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

Jo-1 extractable nuclear Ab Qn (S)Deprecated Jo-1 extractable nuclear Ab [Units/volume] in SerumDeprecated ENA Jo1 Ab Ser-aCncJo-1 extractable nuclear AbSEROJo-1 extractable nuclear antibody, BloodACnc

Frequently asked questions

Code details

Code31447-6
SystemLOINC
Display nameJo-1 extractable nuclear Ab Qn (S)
DescriptionJo-1 extractable nuclear Ab
Short nameDeprecated ENA Jo1 Ab Ser-aCnc
ComponentJo-1 extractable nuclear Ab
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassSERO
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.07
Last changed2.69

Consumer names

Jo-1 extractable nuclear antibody, Blood

Part names

Jo-1 extractable nuclear AbACncPtSerQnArbitrary ConcentrationPoint in time (spot)Serum

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 31447-6 | HealthAssure