AHA Coding Clinic® for ICD-10-CM and ICD-10-PCS - 2019 Issue 3; Ask the Editor

Acute on Chronic Blood Loss Anemia

A patient with melena and hematemesis was diagnosed with acute on chronic blood loss anemia due to a bleeding duodenal ulcer. ICD-10-CM classifies acute blood loss anemia to code D62, Acute posthemorrhagic anemia, and chronic blood loss anemia to code D50.0, Iron deficiency anemia secondary to blood loss (chronic). An Excludes1 note for “anemia due to chronic blood loss (D50.0)” appears at code D62, and an Excludes1 note for “acute posthemorrhagic anemia (D62)” appears at code D50.0. What is the appropriate code assignment for documented “acute on chronic blood loss anemia,” when Excludes1 notes appear at both codes? ...

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