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.

LOINCActiveBoth

LOINC Code 99393-1: Siderocytes panel Prussian blue stain (Bld/BM)

Name: LOINC Code 99393-1: Siderocytes panel Prussian blue stain (Bld/BM)
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:33.065Z

99393-1 is a LOINC code used to identify Siderocytes panel Prussian blue stain (Bld/BM) 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 Siderocytes panel. It is commonly used with the system or sample type Bld/Bone mar.

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 Siderocytes panel. It is commonly used with the system or sample type Bld/Bone mar.

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: Both
Panel type: Panel
Method: Prussian blue stain

What it does not mean

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

Key facts

Siderocytes panel - Blood or Marrow by Prussian blue stain
Siderocytes panel
Bld/Mar; Blood; BM; BON; Bone marrow; HEMATOLOGY/CELL COUNTS; MAR; Marrow (bone); minimal angle of resolution; Minimum angle of resolution; Pan; PANEL.HEMATOLOGY& CELL COUNTS; Panl; Pnl; Point in time; Prus Bl St; Random; Siderocytes Pnl; St; Stains; Stn; WB; Whole blood; Whole blood or Bone marrow

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

Siderocytes panel Prussian blue stain (Bld/BM)Siderocytes panel - Blood or Marrow by Prussian blue stainSiderocytes Pnl Bld/Mar Prus Bl StSiderocytes panelPANEL.HEM/BCSiderocytes panel, Blood Or Bone marrow-

Frequently asked questions

Code details

Code99393-1

SystemLOINC

Display nameSiderocytes panel Prussian blue stain (Bld/BM)

DescriptionSiderocytes panel

Short nameSiderocytes Pnl Bld/Mar Prus Bl St

ComponentSiderocytes panel

Property-

TimingPt

System (specimen)Bld/Bone mar

Scale-

MethodPrussian blue stain

ClassPANEL.HEM/BC

Example units-

StatusACTIVE

Order/ObservationBoth

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Consumer names

Siderocytes panel, Blood Or Bone marrow

Part names

Siderocytes panel-PtBld/Bone marPrussian blue stainPoint in time (spot)Blood or Marrow

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.