LOINCActiveBoth

LOINC Code 93875-3: Phosphohistone H3 Immune stain Ql (Tiss)

93875-3 is a LOINC code used to identify Phosphohistone H3 Immune stain Ql (Tiss) 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 Phosphohistone H3. It is commonly used with the system or sample type Tiss.

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 Phosphohistone H3. It is commonly used with the system or sample type Tiss.

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
  • Method: Immune stain

What it does not mean

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

Key facts

  • Phosphohistone H3 [Presence] in Tissue by Immune stain
  • Phosphohistone H3
  • IHC; Imm; Immunohistochemical stain; Immunostain; ImStn; Imun; Imune; Ordinal; PATHOLOGY; PHH3; Point in time; PR; QL; Qual; Qualitative; Random; Screen; St; Stains; Stn; Tissue; Tissue, 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

Phosphohistone H3 Immune stain Ql (Tiss)Phosphohistone H3 [Presence] in Tissue by Immune stainPHH3 Tiss Ql ImStnPhosphohistone H3PATHPhosphohistone H3, TissuePrThr

Frequently asked questions

Code details

Code93875-3
SystemLOINC
Display namePhosphohistone H3 Immune stain Ql (Tiss)
DescriptionPhosphohistone H3
Short namePHH3 Tiss Ql ImStn
ComponentPhosphohistone H3
PropertyPrThr
TimingPt
System (specimen)Tiss
ScaleOrd
MethodImmune stain
ClassPATH
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.67
Last changed2.67

Consumer names

Phosphohistone H3, Tissue

Part names

Phosphohistone H3PrThrPtTissOrdImmune stainPresence or ThresholdPoint in time (spot)Tissue and Smears

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 93875-3 | HealthAssure