Positive Predictive Values of Procedure Codes on the Treatment of Non-Muscle Invasive Bladder Cancer in the Danish National Patient Registry.
Linea Blichert-RefsgaardMette NørgaardMaria Bisgaard BengtsenJørgen Bjerggaard JensenPublished in: Clinical epidemiology (2022)
The ICD-10 NMIBC procedure codes recorded in the DNPR are generally valid with high PPVs. The NPV of the PPD code is acceptable. However, the code for perioperative single-shot MMC is uncertain with low PPV, but a high NPV.