HealthAtoms

SNOMED CT, the whole picture

Topic hub

The world's largest clinical terminology — and the easiest to bounce off. The secret: it's only three building blocks. A concept is a coded clinical idea, descriptions are its names, relationships are its links. Everything else is detail.

~360kactive concepts19hierarchies1.5Mdescriptions
Start the path Browse live in Shabda

0 of 6 on path complete

The mental model — three building blocks

1Concepta coded clinical idea

22298006

The digits carry no meaning — it's just a stable machine ID for one idea.

2Descriptionshuman names for it

FSN Myocardial infarction (disorder)

SYN Heart attack · MI

3Relationshipslinks to other concepts

IS-A Ischemic heart disease

SITE Myocardial structure

Anatomy of one concept

22298006| Myocardial infarction (disorder) |disorder Open in Shabda

DESCRIPTIONS

FSNMyocardial infarction (disorder)
PREFERREDMyocardial infarction
SYNONYMHeart attack
SYNONYMMI
SYNONYMCardiac infarction

WHERE IT SITS · IS-A

Ischemic heart disease414545008
Myocardial infarction22298006
Acute myocardial infarction57054005
Old myocardial infarction1755008

DEFINING ATTRIBUTES

Finding site

Myocardial structure

Assoc. morphology

Infarct

MAPS TO

ICD-10 · I21.9
The 19 top-level hierarchies12 shown
Clinical finding123k
Procedure59k
Body structure41k
Organism34k
Substance26k
Pharmaceutical product23k
Qualifier value11k
Observable entity10k
Social context6k
Physical object5k
Situation w/ context4k
Event4k

Pre- vs post-coordination

One code — or compose your own from parts:

71620000 |Fracture of femur| :

272741003 |Laterality| = 7771000 |Left|

ECL — query the graph in one line

<< 22298006 |MI| // MI + every subtype
Use it live
Shabda — LookupSearch any concept live
Shabda StudioAuthor concepts & hierarchies
Clinical NLP labAuto-map text → SNOMED codes
IN

SNOMED CT is free to use in India — the country is a member via NRCeS, which also publishes the SNOMED India extension & NRCeS profiles.