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O90.5

Billable

Postpartum thyroiditis

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

What This Code Means

Inflammation of the thyroid gland develops after delivery, causing thyroid dysfunction in the postpartum period.

Coding Tips

  • •Document thyroid function test results (TSH, free T4) to support the diagnosis
  • •Distinguish from gestational thyroiditis; this code is specifically for postpartum onset

Code Hierarchy

└O90Complications of the puerperium, not elsewhere classified└O90.5Postpartum thyroiditis
└O90.5Postpartum thyroiditis

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