LOINCActiveObservation

LOINC Code 48817-1: Donath Landsteiner Ab (S control) [Titer]

48817-1 is a LOINC code used to identify Donath Landsteiner Ab (S control) [Titer] 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 Donath Landsteiner Ab. It is commonly used with the system or sample type Ser^Control.

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 Donath Landsteiner Ab. It is commonly used with the system or sample type Ser^Control.

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

  • Donath Landsteiner Ab [Titer] in Control Serum
  • Donath Landsteiner Ab
  • ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; BLOOD BANK; Contrl; Dilution factor; Dilution Factor (Titer); DL; D-L; Normal; Paroxysmal cold hmoglobinuria; PCH; Point in time; Random; Serum; SmQn; SR; Titer; Titered; Titre; Ttr

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

Donath Landsteiner Ab (S control) [Titer]Donath Landsteiner Ab [Titer] in Control SerumD-L Ab Titr Ser ContDonath Landsteiner AbBLDBKDonath landsteiner antibody, control BloodTitr

Frequently asked questions

Code details

Code48817-1
SystemLOINC
Display nameDonath Landsteiner Ab (S control) [Titer]
DescriptionDonath Landsteiner Ab
Short nameD-L Ab Titr Ser Cont
ComponentDonath Landsteiner Ab
PropertyTitr
TimingPt
System (specimen)Ser^Control
ScaleSemiQn
ClassBLDBK
Example unitstiter
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.21
Last changed2.75

Consumer names

Donath landsteiner antibody, control Blood

Part names

Donath Landsteiner AbTitrPtSer^controlSemiQnTiterPoint in time (spot)Serum^Control

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 48817-1 | HealthAssure