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LOINC Code 15174-6: Cryoglobulin/Serum.total Spun Westergren (S) [Volume fraction]

15174-6 is a LOINC code used to identify Cryoglobulin/Serum.total Spun Westergren (S) [Volume fraction] 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/Serum.total. 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/Serum.total. 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
  • Method: Spun Westergren tube

What it does not mean

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

Key facts

  • Cryocrit of Serum by Spun Westergren
  • Cryoglobulin/Serum.total
  • Centrifugation; Centrifuged; Chemistry; Cryo; Cryoglobulins; Cryoprecipitate; Percent; Point in time; Post centrifugation; QNT; Quan; Quant; Quantitative; Random; Ser; Serum; SR; Tot; Totl; Volfr; Volume fraction; Westerg; Westrgrn

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/Serum.total Spun Westergren (S) [Volume fraction]Cryocrit of Serum by Spun WestergrenCryocrit Ser Spun WestergrenCryoglobulin/Serum.totalCHEMCryoglobulin/Serum.total, BloodVFr

Frequently asked questions

Code details

Code15174-6
SystemLOINC
Display nameCryoglobulin/Serum.total Spun Westergren (S) [Volume fraction]
DescriptionCryoglobulin/Serum.total
Short nameCryocrit Ser Spun Westergren
ComponentCryoglobulin/Serum.total
PropertyVFr
TimingPt
System (specimen)Ser
ScaleQn
MethodSpun Westergren tube
ClassCHEM
Example units%
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0k
Last changed2.73

Consumer names

Cryoglobulin/Serum.total, Blood

Part names

Cryoglobulin/Serum.totalVFrPtSerQnSpun Westergren tubeVolume FractionPoint in time (spot)SerumSpun Westergren

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.