LOINCActiveObservation

LOINC Code 29746-5: Cryoglobulin 3 day 37 degree C incubation Ql (S)

29746-5 is a LOINC code used to identify Cryoglobulin 3 day 37 degree C incubation 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 Cryoglobulin. 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 Cryoglobulin. 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: 3D 37 deg C incubation

What it does not mean

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

Key facts

  • Cryoglobulin [Presence] in Serum by 3 day 37 degree C incubation
  • Cryoglobulin
  • @37c; 3D Inc; Chemistry; Cryo; Cryoglobulins; Cryoprecipitate; degree; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; Serum; 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

Cryoglobulin 3 day 37 degree C incubation Ql (S)Cryoglobulin [Presence] in Serum by 3 day 37 degree C incubationCryoglob Ser Ql 3D IncCryoglobulinCHEMCryoglobulin, BloodPrThr

Frequently asked questions

Code details

Code29746-5
SystemLOINC
Display nameCryoglobulin 3 day 37 degree C incubation Ql (S)
DescriptionCryoglobulin
Short nameCryoglob Ser Ql 3D Inc
ComponentCryoglobulin
PropertyPrThr
TimingPt
System (specimen)Ser
ScaleOrd
Method3D 37 deg C incubation
ClassCHEM
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.56

Consumer names

Cryoglobulin, Blood

Part names

CryoglobulinPrThrPtSerOrd3D 37 deg C incubationPresence or ThresholdPoint in time (spot)Serum3 day 37 degree C incubation

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.