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 49120-9: Immunodeficiency follow-up panel FC (Specimen)

Name: LOINC Code 49120-9: Immunodeficiency follow-up panel FC (Specimen)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:33.938Z

49120-9 is a LOINC code used to identify Immunodeficiency follow-up panel FC (Specimen) 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 Immunodeficiency follow-up panel. It is commonly used with the system or sample type XXX.

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 Immunodeficiency follow-up panel. It is commonly used with the system or sample type XXX.

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
Method: Flow cytometry

What it does not mean

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

Key facts

Immunodeficiency follow-up panel - Specimen by Flow cytometry (FC)
Immunodeficiency follow-up panel
CD4 panel; CELL MARKERS; Dynamic; FC; Immunodeficiency follow-up Pnl; Misc; Miscellaneous; Other; Pan; PANEL.CELLMARK; Panl; Pnl; Point in time; Random; Spec; To be specified in another part of the message; UniversalLabOrders; Unspecified

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

Immunodeficiency follow-up panel FC (Specimen)Immunodeficiency follow-up panel - Specimen by Flow cytometry (FC)Immunodeficiency follow-up Pnl Spec FCImmunodeficiency follow-up panelPANEL.CELLMARKImmunodeficiency follow-up panel, Specimen-

Frequently asked questions

Code details

Code49120-9

SystemLOINC

Display nameImmunodeficiency follow-up panel FC (Specimen)

DescriptionImmunodeficiency follow-up panel

Short nameImmunodeficiency follow-up Pnl Spec FC

ComponentImmunodeficiency follow-up panel

Property-

TimingPt

System (specimen)XXX

Scale-

MethodFlow cytometry

ClassPANEL.CELLMARK

StatusACTIVE

Order/ObservationOrder

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.21

Last changed2.73

Consumer names

Immunodeficiency follow-up panel, Specimen

Part names

Immunodeficiency follow-up panel-PtXXXFlow cytometryPoint in time (spot)Flow cytometry (FC)

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.