LOINCActive

LOINC Code 8673-6: History of Hematologic system disorders

8673-6 is a LOINC code used to identify History of Hematologic system disorders 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 Symptoms & diseases. It is commonly used with the system or sample type Hematologic system.

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 Symptoms & diseases. It is commonly used with the system or sample type Hematologic system.

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

What it does not mean

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

Key facts

  • History of Hematologic system disorders
  • Symptoms & diseases
  • H+P; H+P.HX; Hemato; History; Nominal; P prime; Point in time; Random; Sx; Symp + dis

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

History of Hematologic system disordersHx of Hematologic disordersSymptoms & diseasesH&P.HXHxPtHematologic system

Frequently asked questions

Code details

Code8673-6
SystemLOINC
Display nameHistory of Hematologic system disorders
DescriptionSymptoms & diseases
Short nameHx of Hematologic disorders
ComponentSymptoms & diseases
PropertyHx
TimingPt
System (specimen)Hematologic system
ScaleNom
ClassH&P.HX
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0h(3)
Last changed2.56

Part names

Symptoms & diseasesHxPtHematologic systemNomSymptoms and diseasesHistoryPoint in time (spot)

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 8673-6 | HealthAssure