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import re | |
import os | |
import simple_icd_10_cm as cm | |
from transformers import AutoModelForCausalLM, AutoTokenizer | |
# from openai import OpenAI | |
from prompt_template import * | |
from langchain_groq import ChatGroq | |
from groq import Groq | |
from dotenv import load_dotenv | |
import csv | |
import time | |
load_dotenv() | |
os.environ["LANGCHAIN_TRACING_V2"]="true" | |
# groq_api_key=os.environ.get('GROQ_API_KEY') | |
groq_api_key=os.getenv('GROQ_API_KEY') | |
os.environ["LANGCHAIN_ENDPOINT"]="https://api.smith.langchain.com" | |
LANGCHAIN_API_KEY=os.environ.get("LANGCHAIN_API_KEY") | |
client = Groq() | |
CHAPTER_LIST = cm.chapter_list | |
def construct_translation_prompt(medical_note): | |
""" | |
Construct a prompt template for translating spanish medical notes to english. | |
Args: | |
medical_note (str): The medical case note. | |
Returns: | |
str: A structured template ready to be used as input for a language model. | |
""" | |
translation_prompt = """You are an expert Spanish-to-English translator. You are provided with a clinical note written in Spanish. | |
You must translate the note into English. You must ensure that you properly translate the medical and technical terms from Spanish to English without any mistakes. | |
Spanish Medical Note: | |
{medical_note}""" | |
return translation_prompt.format(medical_note = medical_note) | |
def build_translation_prompt(input_note, system_prompt=""): | |
""" | |
Build a zero-shot prompt for translating spanish medical notes to english. | |
Args: | |
input_note (str): The input note or query. | |
system_prompt (str): Optional initial system prompt or instruction. | |
Returns: | |
list of dict: A structured list of dictionaries defining the role and content of each message. | |
""" | |
input_prompt = construct_translation_prompt(input_note) | |
return [{"role": "system", "content": system_prompt}, {"role": "user", "content": input_prompt}] | |
def remove_extra_spaces(text): | |
""" | |
Remove extra spaces from a given text. | |
Args: | |
text (str): The original text string. | |
Returns: | |
str: The cleaned text with extra spaces removed. | |
""" | |
return re.sub(r'\s+', ' ', text).strip() | |
def remove_last_parenthesis(text): | |
""" | |
Removes the last occurrence of content within parentheses from the provided text. | |
Args: | |
text (str): The input string from which to remove the last parentheses and its content. | |
Returns: | |
str: The modified string with the last parentheses content removed. | |
""" | |
pattern = r'\([^()]*\)(?!.*\([^()]*\))' | |
cleaned_text = re.sub(pattern, '', text) | |
return cleaned_text | |
def format_code_descriptions(text, model_name): | |
""" | |
Format the ICD-10 code descriptions by removing content inside brackets and extra spaces. | |
Args: | |
text (str): The original text containing ICD-10 code descriptions. | |
Returns: | |
str: The cleaned text with content in brackets removed and extra spaces cleaned up. | |
""" | |
pattern = r'\([^()]*\)(?!.*\([^()]*\))' | |
cleaned_text = remove_last_parenthesis(text) | |
cleaned_text = remove_extra_spaces(cleaned_text) | |
return cleaned_text | |
def construct_prompt_template(case_note, code_descriptions, model_name): | |
""" | |
Construct a prompt template for evaluating ICD-10 code descriptions against a given case note. | |
Args: | |
case_note (str): The medical case note. | |
code_descriptions (str): The ICD-10 code descriptions formatted as a single string. | |
Returns: | |
str: A structured template ready to be used as input for a language model. | |
""" | |
template = prompt_template_dict[model_name] | |
return template.format(note=case_note, code_descriptions=code_descriptions) | |
def build_zero_shot_prompt(input_note, descriptions, model_name, system_prompt=""): | |
""" | |
Build a zero-shot classification prompt with system and user roles for a language model. | |
Args: | |
input_note (str): The input note or query. | |
descriptions (list of str): List of ICD-10 code descriptions. | |
system_prompt (str): Optional initial system prompt or instruction. | |
Returns: | |
list of dict: A structured list of dictionaries defining the role and content of each message. | |
""" | |
if model_name == "llama3-70b-8192": | |
code_descriptions = "\n".join(["* " + x for x in descriptions]) | |
else: | |
code_descriptions = "\n".join(["* " + x for x in descriptions]) | |
input_prompt = construct_prompt_template(input_note, code_descriptions, model_name) | |
return [{"role": "system", "content": system_prompt}, {"role": "user", "content": input_prompt}] | |
def get_response(messages, model_name, temperature=0.0, max_tokens=500): | |
""" | |
Obtain responses from a specified model via the chat-completions API. | |
Args: | |
messages (list of dict): List of messages structured for API input. | |
model_name (str): Identifier for the model to query. | |
temperature (float): Controls randomness of response, where 0 is deterministic. | |
max_tokens (int): Limit on the number of tokens in the response. | |
Returns: | |
str: The content of the response message from the model. | |
""" | |
response = client.chat.completions.create( | |
model=model_name, | |
messages=messages, | |
temperature=temperature, | |
max_tokens=max_tokens | |
) | |
return response.choices[0].message.content | |
def remove_noisy_prefix(text): | |
# Removing numbers or letters followed by a dot and optional space at the beginning of the string | |
cleaned_text = text.replace("* ", "").strip() | |
cleaned_text = re.sub(r"^\s*\w+\.\s*", "", cleaned_text) | |
return cleaned_text.strip() | |
def parse_outputs(output, code_description_map, model_name): | |
""" | |
Parse model outputs to confirm ICD-10 codes based on a given description map. | |
Args: | |
output (str): The model output containing confirmations. | |
code_description_map (dict): Mapping of descriptions to ICD-10 codes. | |
Returns: | |
list of dict: A list of confirmed codes and their descriptions. | |
""" | |
confirmed_codes = [] | |
split_outputs = [x for x in output.split("\n") if x] | |
for item in split_outputs: | |
try: | |
code_description, confirmation = item.split(":", 1) | |
# print(confirmation) | |
cnf,fact = confirmation.split(",", 1) | |
if model_name == "llama3-70b-8192": | |
code_description = remove_noisy_prefix(code_description) | |
else: | |
code_description = remove_noisy_prefix(code_description) | |
if confirmation.lower().strip().startswith("yes"): | |
try: | |
code = code_description_map[code_description] | |
confirmed_codes.append({"ICD Code": code, "Code Description": code_description,"Evidence From Notes":fact}) | |
except Exception as e: | |
# print(str(e) + " Here") | |
continue | |
except: | |
continue | |
return confirmed_codes | |
def get_name_and_description(code, model_name): | |
""" | |
Retrieve the name and description of an ICD-10 code. | |
Args: | |
code (str): The ICD-10 code. | |
Returns: | |
tuple: A tuple containing the formatted description and the name of the code. | |
""" | |
full_data = cm.get_full_data(code).split("\n") | |
return format_code_descriptions(full_data[3], model_name), full_data[1] | |