**Core Concept**
Pathological jaundice is a condition characterized by elevated levels of bilirubin in the blood due to liver dysfunction or bile duct obstruction. The criteria for diagnosing pathological jaundice typically involve a combination of clinical, laboratory, and imaging findings.

**Why the Correct Answer is Right**
The correct answer involves identifying a criterion that does not belong to the typical diagnosis of pathological jaundice. This requires an understanding of the underlying pathophysiology and clinical presentation of liver diseases. Pathological jaundice is often associated with elevated levels of unconjugated bilirubin, which can be caused by hemolysis, liver dysfunction, or bile duct obstruction.

**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect as it is a characteristic of physiological jaundice in newborns, not pathological jaundice.
* **Option B:** This option is incorrect as it is a common laboratory finding in liver diseases, including hepatitis and cirrhosis, which can cause pathological jaundice.
* **Option C:** This option is incorrect as it is a criterion used to distinguish between physiological and pathological jaundice, and is relevant to the diagnosis of liver diseases.

**Clinical Pearl / High-Yield Fact**
A key clinical correlation to remember is that pathological jaundice is often associated with a decrease in serum albumin levels, which can be used as a prognostic indicator of liver disease severity.

**Correct Answer: A. Physiological jaundice in newborns is characterized by a peak bilirubin level of 5-6 mg/dL at 3-5 days of age.**