LOINCActiveObservation

LOINC Code 74470-6: Injury severity score (ISS) body region [NTDS]

74470-6 is a LOINC code used to identify Injury severity score (ISS) body region [NTDS] 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 Injury severity score body region. 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 Injury severity score body region. 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
  • Order vs observation: Observation
  • Method: NTDS

What it does not mean

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

Key facts

Injury severity score (ISS) body region [NTDS]
Injury severity score body region
The Injury Severity Score (ISS) body region codes that reflect the patient's injuries. These body regions are1) Head or neck - including cervical spine, 2) Face - including the facial skeleton, nose, mouth, eyes and ears, 3) Chest - thoracic spine and diaphragm, 4) Abdomen or pelvic contents - abdominal organs and lumbar spine, 5) Extremities or pelvic girdle - pelvic skeleton, and 6) External. The ISS is calculated using the three most severely injured ISS body regions.
[NTDS]; bod; Bodies; ISS; ISS body region; Nominal; Point in time; Random; TRAUMA; Typ; Ulcer

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

Injury severity score (ISS) body region [NTDS]ISS body region [NTDS]Injury severity score body regionTRAUMATypePt^Patient

Frequently asked questions

Code details

Code74470-6
SystemLOINC
Display nameInjury severity score (ISS) body region [NTDS]
DescriptionInjury severity score body region
Short nameISS body region [NTDS]
ComponentInjury severity score body region
PropertyType
TimingPt
System (specimen)^Patient
ScaleNom
MethodNTDS
ClassTRAUMA
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.46
Last changed2.46

Part names

Injury severity score body regionTypePt^PatientNomNTDSInjury severity score (ISS) body regionPoint 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.