LOINCActiveBoth

LOINC Code 94621-0: M. avium ss paratuberculosis Ab/Positive control IA (Specimen) [Relative ratio]

94621-0 is a LOINC code used to identify M. avium ss paratuberculosis Ab/Positive control IA (Specimen) [Relative ratio] 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 Mycobacterium avium subspecies paratuberculosis Ab/Positive control. It is commonly used with the system or sample type XXX.

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 Mycobacterium avium subspecies paratuberculosis Ab/Positive control. It is commonly used with the system or sample type XXX.

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

  • Mycobacterium avium ss paratuberculosis Ab/Positive control in Specimen by Immunoassay
  • Mycobacterium avium subspecies paratuberculosis Ab/Positive control
  • ABS; Aby; Acid Fast; Acid Fast Bacilli; Acid fast bacillus; AFB; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; EIA; ELFA; ELISA; Enzyme immunoassay; IAA; ID; Infectious Disease; InfectiousDisease; Johnes disease; M avium; M avium paraTB; MEIA; Microbiology; Misc; Miscellaneous; Myco; Mycobact; Mycobacterium paratuberculosis; Other; Paratuberculosis; Point in time; Pos; Pos cntrl; QNT; Quan; Quant; Quantitative; Random; Relative ratio; ssp; SUDS; To be specified in another part of the message; Tuberculosis; Unspecified; Vet; Veterinary

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

M. avium ss paratuberculosis Ab/Positive control IA (Specimen) [Relative ratio]Mycobacterium avium ss paratuberculosis Ab/Positive control in Specimen by ImmunoassayM avium paraTB Ab/Pos cntrl Spec IAMycobacterium avium subspecies paratuberculosis Ab/Positive controlMICROMycobacterium avium subspecies paratuberculosis/Positive Control, SpecimenRelRto

Frequently asked questions

Code details

Code94621-0
SystemLOINC
Display nameM. avium ss paratuberculosis Ab/Positive control IA (Specimen) [Relative ratio]
DescriptionMycobacterium avium subspecies paratuberculosis Ab/Positive control
Short nameM avium paraTB Ab/Pos cntrl Spec IA
ComponentMycobacterium avium subspecies paratuberculosis Ab/Positive control
PropertyRelRto
TimingPt
System (specimen)XXX
ScaleQn
MethodIA
ClassMICRO
Example unitsratio
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.68
Last changed2.69

Consumer names

Mycobacterium avium subspecies paratuberculosis/Positive Control, Specimen

Part names

Mycobacterium avium subspecies paratuberculosis Ab/Positive controlRelRtoPtXXXQnIARelative RatioPoint in time (spot)Immunoassay

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.