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LOINC Code 97913-8: Thrombin peak after addition of factor VIII Ab Chromogenic method (PPP) [Molar amount]

97913-8 is a LOINC code used to identify Thrombin peak after addition of factor VIII Ab Chromogenic method (PPP) [Molar amount] 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 Thrombin peak^after addition of Factor VIII Ab. It is commonly used with the system or sample type PPP.

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 Thrombin peak^after addition of Factor VIII Ab. It is commonly used with the system or sample type PPP.

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: Chromo

What it does not mean

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

Key facts

Thrombin peak [Molar amount] in Platelet poor plasma by Chromogenic method --after addition of factor VIII Ab
Thrombin peak^after addition of Factor VIII Ab
The peak thrombin is the maximum thrombin measurement during a thrombin generation test. Decreased peak thrombin is associated with bleeding tendencies, while increased peak thrombin is associated with thrombosis. [PMID21262433] If the peak is significantly decreased in the presence of Factor VIII antibodies, that indicates that Factor VIII had a significant contribution to the baseline thrombin peak (measured without Factor VIII antibodies). [PMID: 12871369]
Chromogenic assay; COAGULATION; ENZY; Enzymatic assay; F8; Fac; Fact; Fact VIII; Factor 8; FVIII; Hematology; Heme; p FVIII Ab; Plas; Platelet poor plasma; Point in time; QNT; Quan; Quant; Quantitative; Random; Substance amount; Throm

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

Thrombin peak after addition of factor VIII Ab Chromogenic method (PPP) [Molar amount]Thrombin peak [Molar amount] in Platelet poor plasma by Chromogenic method --after addition of factor VIII AbThrombin peak p FVIII Ab sub PPP Qn ChroThrombin peak^after addition of Factor VIII AbCOAGThrombin peak after addition of factor VIII Ab, BloodSub

Frequently asked questions

Code details

Code97913-8
SystemLOINC
Display nameThrombin peak after addition of factor VIII Ab Chromogenic method (PPP) [Molar amount]
DescriptionThrombin peak^after addition of Factor VIII Ab
Short nameThrombin peak p FVIII Ab sub PPP Qn Chro
ComponentThrombin peak^after addition of Factor VIII Ab
PropertySub
TimingPt
System (specimen)PPP
ScaleQn
MethodChromo
ClassCOAG
Example unitsnmol
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.70
Last changed2.70

Consumer names

Thrombin peak after addition of factor VIII Ab, Blood

Part names

Thrombin peak^after addition of Factor VIII AbSubPtPPPQnChromoSubstance AmountPoint in time (spot)Platelet poor plasmaChromogenic (Enzyme)

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 97913-8 | HealthAssure