LOINCActiveBoth

LOINC Code 17555-4: MeV Ab spec 1 Qn (S)

17555-4 is a LOINC code used to identify MeV Ab spec 1 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 Measles virus Ab^1st specimen. 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 Measles virus Ab^1st specimen. 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

What it does not mean

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

Key facts

  • Measles virus Ab [Units/volume] in Serum --1st specimen
  • Measles virus Ab^1st specimen
  • ABS; Aby; Acute specimen; Antby; Anti; Antibodies; Antibody; Arbitrary concentration; Autoantibodies; Autoantibody; First; ID; Infectious Disease; InfectiousDisease; MeV; Microbiology; Msls; Point in time; Pre immunization; QNT; Quan; Quant; Quantitative; Random; Rubeola; Serum; sp1; Spec; 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

MeV Ab spec 1 Qn (S)Measles virus Ab [Units/volume] in Serum --1st specimenMeV Ab sp1 Ser-aCncMeasles virus Ab^1st specimenMICROMeasles virus antibody specimen 1, BloodACnc

Frequently asked questions

Code details

Code17555-4
SystemLOINC
Display nameMeV Ab spec 1 Qn (S)
DescriptionMeasles virus Ab^1st specimen
Short nameMeV Ab sp1 Ser-aCnc
ComponentMeasles virus Ab^1st specimen
PropertyACnc
TimingPt
System (specimen)Ser
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.69

Consumer names

Measles virus antibody specimen 1, Blood

Part names

Measles virus Ab^1st specimenACncPtSerQnArbitrary 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 17555-4 | HealthAssure