Final answer:
To locate the diagnosis codes for a ruptured spleen (not due to an injury) using the ICD-10-CM codebook, you would need to refer to the chapter on Injury, Poisoning, and Certain Other Consequences of External Causes.
Step-by-step explanation:
To locate the diagnosis codes for a ruptured spleen (not due to an injury) using the ICD-10-CM codebook, you would need to refer to the chapter on Injury, Poisoning, and Certain Other Consequences of External Causes. Specifically, you would look for codes in the S36-S39 range, which pertains to injuries to the abdomen, lower back, pelvis, and external genitals. Within this range, you would focus on codes related to the spleen, such as S36.02 (Injury to spleen without open wound into cavity, with rupture and hemorrhage) or S36.12 (Injury to spleen with open wound into cavity, with rupture and hemorrhage).