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Disease, diseased
- peritoneum
- - specified NEC K66.8
If there is documentation of ureteric obstruction associated with retroperitoneal fibrosis, assign a code for the manifestation (as well as K66.8) by following the index pathway:
Obstruction, obstructed, obstructive
- ureter
Note: where retroperitoneal fibrosis is documented as a manifestation of another condition (for example, IgG4 related disease), assign a code for the aetiology by following the relevant index pathways and the guidelines in ACS 0001 Principal diagnosis, Problems and underlying conditions and ACS 0002 Additional diagnoses.
(See also Coding Rules IgG4-related disease).
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