What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCBoth

LOINC Code 54165-6: Tumor necrosis factor binding protein Qn (S)

Name: LOINC Code 54165-6: Tumor necrosis factor binding protein Qn (S)
Creator: HealthAssure Clinical Team
Published: 2026-05-25T17:13:11.347Z

54165-6 is a LOINC code used to identify Tumor necrosis factor binding protein Qn (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 Tumor necrosis factor binding protein. It is commonly used with the system or sample type Ser.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Tumor necrosis factor binding protein. 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: DISCOURAGED
Order vs observation: Both

What it does not mean

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

Key facts

Tumor necrosis factor binding protein [Units/volume] in Serum
Tumor necrosis factor binding protein
Arbitrary concentration; Bind; Chemistry; Fac; Fact; Point in time; PR; Prot; QNT; Quan; Quant; Quantitative; Random; Serum; SR; TBP1; TBP-1; TNF

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.

Related SNOMED CT concepts

705114005SNOMED CT mapping for Tumor necrosis factor binding protein Qn (S) (54165-6)

Related observations and tests

SNOMED_CT 705114005high

LOINC Code System

Source: LOINC-SNOMED cooperation package

Common synonyms

Tumor necrosis factor binding protein Qn (S)Tumor necrosis factor binding protein [Units/volume] in SerumTBP-1 Ser-aCncTumor necrosis factor binding proteinCHEMTumor necrosis factor binding protein, BloodACnc

Frequently asked questions

Code details

Code54165-6

SystemLOINC

Display nameTumor necrosis factor binding protein Qn (S)

DescriptionTumor necrosis factor binding protein

Short nameTBP-1 Ser-aCnc

ComponentTumor necrosis factor binding protein

PropertyACnc

TimingPt

System (specimen)Ser

ScaleQn

ClassCHEM

StatusDISCOURAGED

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.27

Last changed2.69

Consumer names

Tumor necrosis factor binding protein, Blood

Part names

Tumor necrosis factor binding proteinACncPtSerQnArbitrary ConcentrationPoint in time (spot)Serum

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.