LOINCActiveObservation

LOINC Code 80301-5: Olfactory nerve (CNI) exam

80301-5 is a LOINC code used to identify Olfactory nerve (CNI) exam 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 Olfactory nerve (CNI) exam. It is commonly used with the system or sample type Nerves.cranial.

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 Olfactory nerve (CNI) exam. It is commonly used with the system or sample type Nerves.cranial.

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

  • Olfactory nerve (CNI) exam
  • CN I exam; Finding; Findings; H+P; H+P.PX; Ordinal; P prime; Point in time; QL; Qual; Qualitative; Random; Screen

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

Olfactory nerve (CNI) examCN I examH&P.PXFindPtNerves.cranialOrd

Frequently asked questions

Code details

Code80301-5
SystemLOINC
Display nameOlfactory nerve (CNI) exam
Short nameCN I exam
ComponentOlfactory nerve (CNI) exam
PropertyFind
TimingPt
System (specimen)Nerves.cranial
ScaleOrd
ClassH&P.PX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.54
Last changed2.54

Part names

Olfactory nerve (CNI) examFindPtNerves.cranialOrdFindingPoint 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 80301-5 | HealthAssure