SNOMED_CT

SNOMED CT Concept 21326004: Combined small cell carcinoma

21326004 is a SNOMED CT concept used to represent Combined small cell carcinoma in structured clinical data. You may see this concept in clinical documentation systems, problem lists, terminology services, interoperability records, or semantic mapping workflows. SNOMED CT is a clinical terminology used to capture healthcare meaning in a standardized, interoperable form. This concept is typed as a morphologic abnormality in the terminology hierarchy.

Reviewed by HealthAssure Clinical TeamUpdated 25 May 2026

What is this code?

SNOMED CT is a clinical terminology used to capture healthcare meaning in a standardized, interoperable form. This concept is typed as a morphologic abnormality in the terminology hierarchy.

When is it used?

  • Used to represent a standardized clinical concept in health records, terminology services, and semantic mappings.
  • Often linked to diagnoses, findings, procedures, body structures, organisms, substances, or observable entities depending on the concept type.
  • Semantic tag: morphologic abnormality

What it does not mean

  • A terminology concept label alone does not replace clinical interpretation, diagnosis context, or treatment advice.

Key facts

Semantic tagMorphologic abnormality
Definition statusPrimitive
Definition patternSubclass
OWL axioms1
Module900000000000207008
Parents1
Children1

Where you may see this code

You may see this concept in clinical documentation systems, problem lists, terminology services, interoperability records, or semantic mapping workflows.

Common synonyms

Small cell-large cell carcinomaMixed small cell carcinomaCombined small cell-squamous cell carcinomaCombined small cell-adenocarcinoma

Frequently asked questions

Code details

Code21326004
SystemSNOMED_CT
Display nameCombined small cell carcinoma
DescriptionCombined small cell carcinoma (morphologic abnormality)

Flags

BillableNo
Valid clinical useNo

Source

SourceSNOMED CT
Version20260501T120000Z
Releasesnapshot

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from SNOMED CT. 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.

SNOMED CT 21326004 | Combined small cell carcinoma | HealthAssure