LOINCActiveObservation

LOINC Code 73703-1: Pathology report preliminary diagnosis (Spec) [Interp]

73703-1 is a LOINC code used to identify Pathology report preliminary diagnosis (Spec) [Interp] 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 Path report.preliminary diagnosis. It is commonly used with the system or sample type Specimen.

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 Path report.preliminary diagnosis. It is commonly used with the system or sample type Specimen.

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: Observation

What it does not mean

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

Key facts

  • Pathology report preliminary diagnosis [Interpretation] in Specimen
  • Path report.preliminary diagnosis
  • Dx; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; Path report.Prelimin dx; PATHOLOGY; Point in time; Random; Spec

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

Pathology report preliminary diagnosis (Spec) [Interp]Pathology report preliminary diagnosis [Interpretation] in SpecimenPath report.Prelimin dx Spec-ImpPath report.preliminary diagnosisPATHPathology report preliminary diagnosis, SpecimenImp

Frequently asked questions

Code details

Code73703-1
SystemLOINC
Display namePathology report preliminary diagnosis (Spec) [Interp]
DescriptionPath report.preliminary diagnosis
Short namePath report.Prelimin dx Spec-Imp
ComponentPath report.preliminary diagnosis
PropertyImp
TimingPt
System (specimen)Specimen
ScaleNom
ClassPATH
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.44
Last changed2.73

Consumer names

Pathology report preliminary diagnosis, Specimen

Part names

Path report.preliminary diagnosisImpPtSpecimenNomImpression/interpretation of studyPoint 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 73703-1 | HealthAssure