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.

LOINCActiveOrder

LOINC Code 69555-1: Lactose tolerance panel post unspecified dose [Mass/Vol]

Name: LOINC Code 69555-1: Lactose tolerance panel post unspecified dose [Mass/Vol]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:48.864Z

69555-1 is a LOINC code used to identify Lactose tolerance panel post unspecified dose [Mass/Vol] 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 Lactose tolerance panel^dosage unspecified. It is commonly used with the system or sample type Ser/Plas.

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 Lactose tolerance panel^dosage unspecified. It is commonly used with the system or sample type Ser/Plas.

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: Order
Panel type: Panel

What it does not mean

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

Key facts

Lactose tolerance panel [Mass/volume] in Serum or Plasma
Lactose tolerance panel^dosage unspecified
CHEMISTRY.CHALLENGE TESTING; Lactose tolerance pnl; Level; LTT; Mass concentration; Pan; PANEL.CHALLENGE; Panl; Pl; Plasma; Plsm; Pnl; Point in time; Random; SerP; SerPl; SerPlas; Serum; Serum or plasma; 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

Lactose tolerance panel post unspecified dose [Mass/Vol]Lactose tolerance panel [Mass/volume] in Serum or PlasmaLactose tolerance pnl SerPl-mCncLactose tolerance panel^dosage unspecifiedPANEL.CHALLactose tolerance panel, BloodMCnc

Frequently asked questions

Code details

Code69555-1

SystemLOINC

Display nameLactose tolerance panel post unspecified dose [Mass/Vol]

DescriptionLactose tolerance panel^dosage unspecified

Short nameLactose tolerance pnl SerPl-mCnc

ComponentLactose tolerance panel^dosage unspecified

PropertyMCnc

TimingPt

System (specimen)Ser/Plas

Scale-

ClassPANEL.CHAL

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.40

Last changed2.73

Consumer names

Lactose tolerance panel, Blood

Part names

Lactose tolerance panel^dosage unspecifiedMCncPtSer/Plas-Lactose tolerance panel - dosage unspecifiedMass ConcentrationPoint in time (spot)Serum or Plasma

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.