Description
This model maps extracted clinical NER entities to SNOMED CT concepts using sbiobert_base_cased_mli_onnx embeddings.
It is trained on SNOMED CT US Edition 20260901 release.
Live Demo Open in Colab Copy S3 URI
How to use
documentAssembler = DocumentAssembler()\
.setInputCol("text")\
.setOutputCol("document")
sentenceDetectorDL = SentenceDetectorDLModel.pretrained("sentence_detector_dl_healthcare", "en", "clinical/models")\
.setInputCols(["document"])\
.setOutputCol("sentence")
tokenizer = Tokenizer()\
.setInputCols(["sentence"])\
.setOutputCol("token")
word_embeddings = WordEmbeddingsModel.pretrained("embeddings_clinical","en","clinical/models")\
.setInputCols(["sentence","token"])\
.setOutputCol("embeddings")
ner_model = MedicalNerModel.pretrained("ner_jsl","en","clinical/models")\
.setInputCols(["sentence","token","embeddings"])\
.setOutputCol("ner_tags")
ner_converter = NerConverterInternal()\
.setInputCols(["sentence","token","ner_tags"])\
.setOutputCol("ner_chunk")\
.setWhiteList(["Kidney_Disease", "Cerebrovascular_Disease", "Heart_Disease", "Disease_Syndrome_Disorder", "ImagingFindings", "Symptom", "VS_Finding", "EKG_Findings", "Communicable_Disease", "Pregnancy", "Obesity", "Hypertension", "Overweight", "Hyperlipidemia", "Triglycerides", "Diabetes", "Oncological", "Psychological_Condition", "Injury_or_Poisoning"])
chunk2doc = Chunk2Doc()\
.setInputCols(["ner_chunk"])\
.setOutputCol("ner_chunk_doc")
embedder = BertSentenceEmbeddings.pretrained("sbiobert_base_cased_mli_onnx", "en", "clinical/models")\
.setInputCols(["ner_chunk_doc"])\
.setOutputCol("sbert_embeddings")\
.setCaseSensitive(False)
resolver = SentenceEntityResolverModel.pretrained("sbiobertresolve_snomed_conditions_20260901","en","clinical/models")\
.setInputCols(["sbert_embeddings"])\
.setOutputCol("snomed_code")\
.setDistanceFunction("EUCLIDEAN")\
.setThreshold(1000)
pipeline = Pipeline(stages=[\
documentAssembler, sentenceDetectorDL, tokenizer, word_embeddings, ner_model, ner_converter, chunk2doc, embedder, resolver\
])
data = spark.createDataFrame([["The patient has a history of type 2 diabetes mellitus and essential hypertension. She was admitted with an acute myocardial infarction and later diagnosed with hyperlipidemia."]]).toDF("text")
result = pipeline.fit(data).transform(data)
documentAssembler = nlp.DocumentAssembler()\
.setInputCol("text")\
.setOutputCol("document")
sentenceDetectorDL = nlp.SentenceDetectorDLModel.pretrained("sentence_detector_dl_healthcare", "en", "clinical/models")\
.setInputCols(["document"])\
.setOutputCol("sentence")
tokenizer = nlp.Tokenizer()\
.setInputCols(["sentence"])\
.setOutputCol("token")
word_embeddings = nlp.WordEmbeddingsModel.pretrained("embeddings_clinical","en","clinical/models")\
.setInputCols(["sentence","token"])\
.setOutputCol("embeddings")
ner_model = medical.NerModel.pretrained("ner_jsl","en","clinical/models")\
.setInputCols(["sentence","token","embeddings"])\
.setOutputCol("ner_tags")
ner_converter = medical.NerConverterInternal()\
.setInputCols(["sentence","token","ner_tags"])\
.setOutputCol("ner_chunk")\
.setWhiteList(["Kidney_Disease", "Cerebrovascular_Disease", "Heart_Disease", "Disease_Syndrome_Disorder", "ImagingFindings", "Symptom", "VS_Finding", "EKG_Findings", "Communicable_Disease", "Pregnancy", "Obesity", "Hypertension", "Overweight", "Hyperlipidemia", "Triglycerides", "Diabetes", "Oncological", "Psychological_Condition", "Injury_or_Poisoning"])
chunk2doc = nlp.Chunk2Doc()\
.setInputCols(["ner_chunk"])\
.setOutputCol("ner_chunk_doc")
embedder = nlp.BertSentenceEmbeddings.pretrained("sbiobert_base_cased_mli_onnx", "en", "clinical/models")\
.setInputCols(["ner_chunk_doc"])\
.setOutputCol("sbert_embeddings")\
.setCaseSensitive(False)
resolver = medical.SentenceEntityResolverModel.pretrained("sbiobertresolve_snomed_conditions_20260901","en","clinical/models")\
.setInputCols(["sbert_embeddings"])\
.setOutputCol("snomed_code")\
.setDistanceFunction("EUCLIDEAN")\
.setThreshold(1000)
pipeline = nlp.Pipeline(stages=[\
documentAssembler, sentenceDetectorDL, tokenizer, word_embeddings, ner_model, ner_converter, chunk2doc, embedder, resolver\
])
data = spark.createDataFrame([["The patient has a history of type 2 diabetes mellitus and essential hypertension. She was admitted with an acute myocardial infarction and later diagnosed with hyperlipidemia."]]).toDF("text")
result = pipeline.fit(data).transform(data)
val documentAssembler = new DocumentAssembler()
.setInputCol("text")
.setOutputCol("document")
val sentenceDetectorDL = SentenceDetectorDLModel
.pretrained("sentence_detector_dl_healthcare", "en", "clinical/models")
.setInputCols(Array("document"))
.setOutputCol("sentence")
val tokenizer = new Tokenizer()
.setInputCols("sentence")
.setOutputCol("token")
val word_embeddings = WordEmbeddingsModel
.pretrained("embeddings_clinical", "en", "clinical/models")
.setInputCols(Array("sentence", "token"))
.setOutputCol("embeddings")
val ner_model = MedicalNerModel
.pretrained("ner_jsl", "en", "clinical/models")
.setInputCols(Array("sentence", "token", "embeddings"))
.setOutputCol("ner_tags")
val ner_converter = new NerConverterInternal()
.setInputCols(Array("sentence", "token", "ner_tags"))
.setOutputCol("ner_chunk")
.setWhiteList(Array("Kidney_Disease", "Cerebrovascular_Disease", "Heart_Disease", "Disease_Syndrome_Disorder", "ImagingFindings", "Symptom", "VS_Finding", "EKG_Findings", "Communicable_Disease", "Pregnancy", "Obesity", "Hypertension", "Overweight", "Hyperlipidemia", "Triglycerides", "Diabetes", "Oncological", "Psychological_Condition", "Injury_or_Poisoning"))
val chunk2doc = new Chunk2Doc()
.setInputCols(Array("ner_chunk"))
.setOutputCol("ner_chunk_doc")
val embedder = BertSentenceEmbeddings
.pretrained("sbiobert_base_cased_mli_onnx", "en", "clinical/models")
.setInputCols(Array("ner_chunk_doc"))
.setOutputCol("sbert_embeddings")
.setCaseSensitive(false)
val resolver = SentenceEntityResolverModel
.pretrained("sbiobertresolve_snomed_conditions_20260901", "en", "clinical/models")
.setInputCols(Array("sbert_embeddings"))
.setOutputCol("snomed_code")
.setDistanceFunction("EUCLIDEAN")
.setThreshold(1000)
val pipeline = new Pipeline().setStages(Array(
documentAssembler, sentenceDetectorDL, tokenizer, word_embeddings, ner_model, ner_converter, chunk2doc, embedder, resolver
))
val data = Seq("The patient has a history of type 2 diabetes mellitus and essential hypertension. She was admitted with an acute myocardial infarction and later diagnosed with hyperlipidemia.").toDF("text")
val res = pipeline.fit(data).transform(data)
Results
| chunk | label | snomed_code | resolution | all_codes | all_resolutions |
|:-------------------------|:---------------|--------------:|:-------------------------|:------------------------------------------------------------------------------------|:------------------------------------------------------------------------------------|
| type 2 diabetes mellitus | Diabetes | 44054006 | type 2 diabetes mellitus | 44054006:::199230006:::422014003:::8801005:::73211009:::422099009:::443694000:::... | type 2 diabetes mellitus:::pre-existing type 2 diabetes mellitus:::disorder due ... |
| essential hypertension | Hypertension | 59621000 | essential hypertension | 59621000:::371125006:::38341003:::697929007:::19769006:::31992008:::429457004:::... | essential hypertension:::labile essential hypertension:::hypertensive disorder::... |
| myocardial infarction | Heart_Disease | 22298006 | myocardial infarction | 22298006:::380001000004106:::57054005:::466635291000119109:::194856005:::1648650... | myocardial infarction:::subendocardial myocardial infarction:::acute myocardial ... |
| hyperlipidemia | Hyperlipidemia | 55822004 | hyperlipidemia | 55822004:::190774002:::129589009:::267434003:::402727002:::129590000:::238089003... | hyperlipidemia:::hyperlipidemia, group a:::endogenous hyperlipidemia:::multiple-... |
Model Information
| Model Name: | sbiobertresolve_snomed_conditions_20260901 |
| Compatibility: | Healthcare NLP 6.4.1+ |
| License: | Licensed |
| Edition: | Official |
| Input Labels: | [sbert_embeddings] |
| Output Labels: | [snomed_code] |
| Language: | en |
| Size: | 597.8 MB |
| Case sensitive: | false |