SNOMED CT Concept 277303004: Angiogram-negative subarachnoid hemorrhage
277303004 is a SNOMED CT concept used to represent Angiogram-negative subarachnoid hemorrhage 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 disorder in the terminology hierarchy.
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 disorder 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: disorder
What it does not mean
- A terminology concept label alone does not replace clinical interpretation, diagnosis context, or treatment advice.
Key facts
Defining attributes
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.
Mapped diagnoses and classifications
Common synonyms
Frequently asked questions
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.