LOINCActiveObservation

LOINC Code 32835-1: CMV IgG 1st specimen/2nd specimen [Ratio]

32835-1 is a LOINC code used to identify CMV IgG 1st specimen/2nd specimen [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 Cytomegalovirus Ab.IgG^1st specimen/2nd specimen. It is commonly used with the system or sample type Ser/Plas.

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 Cytomegalovirus Ab.IgG^1st specimen/2nd specimen. It is commonly used with the system or sample type Ser/Plas.

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: Observation

What it does not mean

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

Key facts

Cytomegalovirus IgG Ab [Ratio] in Serum or Plasma --1st specimen/2nd specimen
Cytomegalovirus Ab.IgG^1st specimen/2nd specimen
12; ABS; Aby; Acute specimen; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; CMV; Convalescent; Cytomegalo virus; Cytomgal; First; HHV-5; Human Herpesvirus-5; ID; Immune globulin G; Immunoglobulin G; Infectious Disease; InfectiousDisease; Microbiology; Pl; Plasma; Plsm; Point in time; Post immunization; Pre immunization; QNT; Quan; Quant; Quantitative; Random; Ratios; Rto; Second; SerP; SerPl; SerPlas; Serum; Serum or plasma; sp1; sp2; 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

CMV IgG 1st specimen/2nd specimen [Ratio]Cytomegalovirus IgG Ab [Ratio] in Serum or Plasma --1st specimen/2nd specimenCMV IgG 1:2 SerPl-RtoCytomegalovirus Ab.IgG^1st specimen/2nd specimenMICROCytomegalovirus (CMV) IgG antibody 1st specimen/2nd specimen, BloodRatio

Frequently asked questions

Code details

Code32835-1
SystemLOINC
Display nameCMV IgG 1st specimen/2nd specimen [Ratio]
DescriptionCytomegalovirus Ab.IgG^1st specimen/2nd specimen
Short nameCMV IgG 1:2 SerPl-Rto
ComponentCytomegalovirus Ab.IgG^1st specimen/2nd specimen
PropertyRatio
TimingPt
System (specimen)Ser/Plas
ScaleQn
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.09
Last changed2.64

Consumer names

Cytomegalovirus (CMV) IgG antibody 1st specimen/2nd specimen, Blood

Part names

Cytomegalovirus Ab.IgG^1st specimen/2nd specimenRatioPtSer/PlasQnPoint in time (spot)Serum or Plasma

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 32835-1 | HealthAssure