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O43.91

Billable

Unspecified placental disorder, first trimester

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

A placental problem or abnormality that cannot be more specifically identified or classified, occurring during the first trimester of pregnancy.

Coding Tips

  • Confirm first trimester timing (weeks 1-12) in the medical record
  • Requires a 7th character for episode of care (A, D, or S) for complete coding

Code Hierarchy

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