Table 1: Zangheri's grading system for meconium peritonitis.
| Score | ||
| 0 | Intra-abdominal calcification | |
| 1 | A | Intra-abdominal calcification with ascites |
| B | Intra-abdominal calcification with pseudocyst | |
| C | Intra-abdominal calcification with bowel dilation | |
| 2 | Intra-abdominal calcification with any two of the previous findings | |
| 3 | Intra-abdominal calcification with all of the previous findings |