LOINCActiveObservation

LOINC Code 94861-2: Transthyretin - transthyretin peak 2 (Bld) [Mass diff]

94861-2 is a LOINC code used to identify Transthyretin - transthyretin peak 2 (Bld) [Mass diff] 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 Transthyretin - transthyretin peak 2. It is commonly used with the system or sample type Bld.

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 Transthyretin - transthyretin peak 2. It is commonly used with the system or sample type Bld.

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

  • Transthyretin - transthyretin peak 2 [Mass difference] in Blood
  • Transthyretin - transthyretin peak 2
  • Blood; Chemistry; II; Neuro; Neurology; Point in time; Prealbumin; QNT; Quan; Quant; Quantitative; Random; TTR; TTR - TTR 2; TTR 2; WB; Whole blood

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

Transthyretin - transthyretin peak 2 (Bld) [Mass diff]Transthyretin - transthyretin peak 2 [Mass difference] in BloodTTR - TTR 2 MDiff BldTransthyretin - transthyretin peak 2CHEMTransthyretin - transthyretin peak 2, BloodMDiff

Frequently asked questions

Code details

Code94861-2
SystemLOINC
Display nameTransthyretin - transthyretin peak 2 (Bld) [Mass diff]
DescriptionTransthyretin - transthyretin peak 2
Short nameTTR - TTR 2 MDiff Bld
ComponentTransthyretin - transthyretin peak 2
PropertyMDiff
TimingPt
System (specimen)Bld
ScaleQn
ClassCHEM
Example unitsDa
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.68
Last changed2.68

Consumer names

Transthyretin - transthyretin peak 2, Blood

Part names

Transthyretin - transthyretin peak 2MDiffPtBldQnMass differencePoint in time (spot)Blood

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 94861-2 | HealthAssure