Validation of international classification of diseases, tenth revision, clinical modification diagnosis codes for heart failure subtypes.
Gaia PocobelliLaura IchikawaOnchee YuBeverly B GreenKelly MeyersRegan GrayMary SheaJessica ChubakPublished in: Pharmacoepidemiology and drug safety (2022)
If the accuracy measure of greatest interest is PPV, our results suggest that ICD-10-CM HF codes alone may not be adequate for identifying patients with rEF but may be adequate for identifying patients with pEF. HF coding practices may vary across settings, which may impact generalizability of our findings.