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v3.25.1

Segment Reporting - Summary of Segment Reporting Information (Detail) ¥ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 CNY (¥) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 CNY (¥) | Dec. 31, 2022 CNY (¥)
Revenues: |  |  |  |
Revenues from services | ¥ 290,738 | $ 39,831 | ¥ 345,030 | ¥ 391,548
Revenues from sales of products | 225,084 | 30,836 | 192,405 | 171,690
Total revenues | 515,822 | 70,667 | 537,435 | 563,238
Cost of revenues: | (153,422) | (21,020) | (174,208) | (183,199)
Gross profit | 362,400 | 49,647 | 363,227 | 380,039
Central laboratory business [Member] |  |  |  |
Revenues: |  |  |  |
Revenues from services | 175,649 | 24,064 | 232,812 | 314,770
Revenues from sales of products | 0 | 0 | 0 | 0
Total revenues | 175,649 | 24,064 | 232,812 | 314,770
Cost of revenues: | (33,808) | (4,632) | (49,473) | (82,123)
Gross profit | 141,841 | 19,432 | 183,339 | 232,647
In-hospital business [Member] |  |  |  |
Revenues: |  |  |  |
Revenues from services | (592) | (81) | (3,704) | 3,606
Revenues from sales of products | 225,084 | 30,836 | 192,405 | 171,690
Total revenues | 224,492 | 30,755 | 188,701 | 175,296
Cost of revenues: | (65,099) | (8,919) | (72,570) | (63,296)
Gross profit | 159,393 | 21,836 | 116,131 | 112,000
Pharma research and development services [Member] |  |  |  |
Revenues: |  |  |  |
Revenues from services | 115,681 | 15,848 | 115,922 | 73,172
Revenues from sales of products | 0 | 0 | 0 | 0
Total revenues | 115,681 | 15,848 | 115,922 | 73,172
Cost of revenues: | (54,515) | (7,469) | (52,165) | (37,780)
Gross profit | ¥ 61,166 | $ 8,379 | ¥ 63,757 | ¥ 35,392

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