The other is the Roche method. The Roche method has a wider band of what is considered normal. It's important you understand what testing method your lab uses and to have consistent measurements for the basis of comparison for trending. If you shift labs, expect to have at least 2 CEA tests done to establish the new basis for comparison.
Zane /zane/ [1 syll.] as a boys' name is pronounced zayne. It is of Hebrew origin, and the meaning of Zane is God is gracious. Possibly a variant of Hebrew John, or a variant of a Scandinavian surname.
Origin and meaning of Zania. The meaning of Zania is unknown. Its origin is Modern English. This name is mostly being used as a girls name. Last year it ranked 5,609th in the U.S. Social Security Administration list of most popular baby girl names. Zania is a Modern English name whose meaning is uncertain. It may be a feminine version of the name Zane, a theory supported by the fact that Zania first appeared on the Social Security name list as far back as 1983 - roughly a decade before its similarly spelled variants such as Zaniya and Zaniah.