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.

LOINCActive

LOINC Code 69542-9: Secondary problem [Interpretation] NEMSIS

Name: LOINC Code 69542-9: Secondary problem [Interpretation] NEMSIS
Creator: HealthAssure Clinical Team
Published: 2026-05-21T08:59:48.864Z

69542-9 is a LOINC code used to identify Secondary problem [Interpretation] NEMSIS 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 Secondary problem. It is commonly used with the system or sample type ^Patient.

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 Secondary problem. It is commonly used with the system or sample type ^Patient.

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
Method: NEMSIS

What it does not mean

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

Key facts

Secondary problem [Interpretation] NEMSIS

Secondary problem

The EMS personnel's impression of the patient's secondary problem or most significant condition which led to the management given to the patient (treatments, medications, or procedures). Code list is represented in ICD-10-CMDiagnoses Codes, see suggested NEMSIS list of provider impression codes.

Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; National EMS Information Services; Nominal; Point in time; Random

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

Secondary problem [Interpretation] NEMSISSecondary problem Imp NEMSISSecondary problemNEMSISImpPt^Patient

Frequently asked questions

Code details

Code69542-9

SystemLOINC

Display nameSecondary problem [Interpretation] NEMSIS

DescriptionSecondary problem

Short nameSecondary problem Imp NEMSIS

ComponentSecondary problem

PropertyImp

TimingPt

System (specimen)^Patient

ScaleNom

MethodNEMSIS

ClassNEMSIS

StatusACTIVE

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.38

Last changed2.50

Part names

Secondary problemImpPt^PatientNomNEMSISImpression/interpretation of studyPoint in time (spot)National EMS Information Services

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.