Cover - $ / shares	3 Months Ended
	Mar. 31, 2025	May 20, 2025
Cover [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Mar. 31, 2025
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2025
Current Fiscal Year End Date	--12-31
Entity File Number	000-56257
Entity Registrant Name	ACCUSTEM SCIENCES, INC.
Entity Central Index Key	0001850767
Entity Tax Identification Number	87-3774438
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	5 Penn Plaza
Entity Address, Address Line Two	19th Floor
Entity Address, City or Town	#1954 New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10001
City Area Code	00 44
Local Phone Number	2074952379
Title of 12(b) Security	Common Stock
Trading Symbol	ACUT
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		16,072,267
Entity Listing, Par Value Per Share	$ 0.001