(by extension) consultation of different specialists
Definitions (粵典–words.hk)
動詞
醫療人員見病人，即係面診 (of patients) to consult a healthcare professional
視像會診
视像会诊
si6 zoeng6 wui6 can2 video consultation; teleconsultation
動詞
醫療人員互相聯絡嚟就病人情況俾意見，或者開會傾病人嘅情況 (of healthcare professionals) to consult another specialty
揾外科嚟會診
揾外科嚟会诊
wan2 ngoi6 fo1 lai4 wui6 can2 to consult surgery
Definitions (Wiktionary)
verb, figuratively, of many parties
to gather to collectively solve an issue
verb
to hold a group or specialist consultation to discuss a patient's case, especially in view of an uncertain diagnosis; to have a multispecialty meeting
請求會診
请求会诊
qǐng qiú huì zhěn to request a consult
Definitions (Kaifangcidian)
（沒有對應漢語詞彙）
Definitions (HSK3.0)
HSK3 七一九级词汇表 #1810
Examples (粵典–words.hk)
Cantonese
视像会诊
視像會診
si6 zoeng6 wui6 can2
video consultation; teleconsultation
Cantonese
揾外科嚟会诊
揾外科嚟會診
wan2 ngoi6 fo1 lai4 wui6 can2
to consult surgery
Cantonese
会诊
會診
wui6 can2
to consult (a healthcare professional or another specialty)