LOINCActiveObservation

LOINC Code 27985-1: B. burgdorferi 18kD Ab IB Ql (S)

27985-1 is a LOINC code used to identify B. burgdorferi 18kD Ab IB 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 Borrelia burgdorferi 18kD Ab. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Borrelia burgdorferi 18kD 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: ACTIVE
  • Order vs observation: Observation
  • Method: IB

What it does not mean

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

Key facts

  • Borrelia burgdorferi 18kD Ab [Presence] in Serum by Immunoblot
  • Borrelia burgdorferi 18kD Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; B burg; B burgdor; B burgdor18kD; B burgdorferi; Bb; Blt; Burgdorf; ID; IMMUNE BLOT; Immunobl; Immunoblot; Infectious Disease; InfectiousDisease; Lyme; Lyme disease; Lymes; Microbiology; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; RIBA; Screen; Serum; SR; WB; WBLOT; West blot; West blt; Western blot

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

B. burgdorferi 18kD Ab IB Ql (S)Borrelia burgdorferi 18kD Ab [Presence] in Serum by ImmunoblotB burgdor18kD Ab Ser Ql IBBorrelia burgdorferi 18kD AbMICROBorrelia burgdorferi 18kD antibody, BloodPrThr

Frequently asked questions

Code details

Code27985-1
SystemLOINC
Display nameB. burgdorferi 18kD Ab IB Ql (S)
DescriptionBorrelia burgdorferi 18kD Ab
Short nameB burgdor18kD Ab Ser Ql IB
ComponentBorrelia burgdorferi 18kD Ab
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
MethodIB
ClassMICRO
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.00
Last changed2.73

Consumer names

Borrelia burgdorferi 18kD antibody, Blood

Part names

Borrelia burgdorferi 18kD AbPrThrPtSerOrdIBPresence or ThresholdPoint in time (spot)SerumImmunoblot

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.