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Segment Reporting (Tables)

12 Months Ended

Dec. 31, 2024

Segment Reporting [Abstract]

Summary of Segment Reporting Information

Summarized information by segments for the years ended December 31, 2022, 2023 and 2024 is as follows:

		For the year ended December 31, 2022
		Central laboratory business				In-hospital business				Pharma research and development services				Total
		RMB				RMB				RMB				RMB
Revenues:
Revenues from services			314,770				3,606				73,172				391,548
Revenues from sales of products			—				171,690				—				171,690
Total revenues			314,770				175,296				73,172				563,238
Cost of revenues:			(82,123	)			(63,296	)			(37,780	)			(183,199	)
Gross profit			232,647				112,000				35,392				380,039

		For the year ended December 31, 2023
		Central laboratory business				In-hospital business				Pharma research and development services				Total
		RMB				RMB				RMB				RMB
Revenues:
Revenues from services			232,812				(3,704	)			115,922				345,030
Revenues from sales of products			—				192,405				—				192,405
Total revenues			232,812				188,701				115,922				537,435
Cost of revenues:			(49,473	)			(72,570	)			(52,165	)			(174,208	)
Gross profit			183,339				116,131				63,757				363,227

		For the year ended December 31, 2024
		Central laboratory business								In-hospital business								Pharma research and development services								Total
		RMB				US$				RMB				US$				RMB				US$				RMB				US$
Revenues:
Revenues from services			175,649				24,064				(592	)			(81	)			115,681				15,848				290,738				39,831
Revenue from sales of products			—				—				225,084				30,836				—				—				225,084				30,836
Total revenues			175,649				24,064				224,492				30,755				115,681				15,848				515,822				70,667
Cost of revenues:			(33,808	)			(4,632	)			(65,099	)			(8,919	)			(54,515	)			(7,469	)			(153,422	)			(21,020	)
Gross profit			141,841				19,432				159,393				21,836				61,166				8,379				362,400				49,647

Summary of Total Long Lived Assets By Geographical Location

The analysis of the total long-lived assets excluding equity method investment, convertible note receivable and intangible assets by country was as follows:

		As of December 31,
		2023				2024
		RMB				RMB				US$
PRC			127,866				102,154				13,996
United States			21,418				6,112				837
			149,284				108,266				14,833

Summary Of Revenues By Geographic Area

Total revenues by geographic area are presented as follows:

		For the year ended December 31,
		2022				2023				2024
		RMB				RMB				RMB				US$
PRC			553,304				534,928				510,241				69,902
United States			9,934				2,507				5,581				765
			563,238				537,435				515,822				70,667

X

- Definition

Tabular disclosure of long-lived assets, excluding financial instruments, long-term customer relationships of a financial institution, mortgage rights, deferred policy acquisition costs, and deferred tax assets, by geographic areas located in the entity's country of domicile and foreign countries in which the entity holds assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-41

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Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 41
-Subparagraph (a)
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Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
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-Section 50
-Paragraph 30
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