Anemia due to Chemotherapy

A patient with metastatic nonsmall cell lung cancer of the right upper lobe developed anemia following chemotherapy. The patient presents to the oncologist for follow-up and the oncologist listed anemia of chemotherapy in his diagnostic statement. Should this be coded 284.89, Other specified aplastic anemias, or 285.22, Anemia in neoplastic disease? ...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This premium article discusses how to classify anemia documented in connection with chemotherapy treatment during an oncology follow-up visit. It is aimed at coding professionals who need help understanding the relevant diagnosis coding category, associated external-cause reporting, and the role of sequencing when multiple diagnoses are present. The article focuses on a specific coding question and the general framing of the supporting code guidance.

Why This Topic Matters

Anemia related to cancer treatment can affect diagnosis coding, sequencing, and reporting of associated treatment-related causes. This matters for accurate claim submission, record abstraction, and consistent coding in oncology settings.

What You Will Learn

  • How anemia documented after chemotherapy is approached in diagnosis coding
  • Why sequencing can matter when multiple diagnosis codes apply
  • How treatment-related anemia coding is discussed in an oncology follow-up context
  • What broad coding categories are relevant to chemotherapy-associated anemia

Who Should Read This

  • Medical coders
  • Coding auditors
  • Oncology billing staff
  • Clinical documentation specialists

Codes Discussed


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