 2008 ICD-9-CM Procedure 91.1
- Microscopic examination of peritoneal and retroperitoneal specimen
- 91.1 is a non-specific code that should not be used to specify a procedure
- 91.1 contains 5 index entries
- View the full ICD-9-CM Volume 3 91.* hierarchy
Index entries containing 91.1:- Examination (for)
- microscopic (specimen) (of) 91.9
- cul-de-sac
 91.1 - mesentery 91.1
- omentum 91.1
- peritoneum (fluid) 91.1
- retroperitoneum 91.1
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