Final answer:
The correct ICD-10-CM code for admission for pain control for liver cancer is R52.
Step-by-step explanation:
The correct ICD-10-CM code for admission for pain control for liver cancer is R52. This code is used to indicate the presence of pain, and can be used as a primary or secondary code. In addition, secondary codes may also be used to further specify the type and location of pain experienced by the patient.