D57.458

HCC Category Mapping

What This Code Means

A sickle-cell thalassemia condition with a crisis episode and another specific complication not listed in standard categories.

Coding Tips

• •Use this code only when the specific complication is documented but doesn't fit other defined categories
• •Always document the nature of the 'other specified complication' in the medical record for clarity

Clinical Significance

This code captures sickle-cell thalassemia beta plus crises with specified complications outside the standard categories (acute chest syndrome, splenic sequestration, cerebral vascular involvement, dactylitis). In beta-plus patients, these may include priapism, hepatic complications, aplastic crisis triggered by parvovirus B19, or renal manifestations. While generally milder than equivalent beta-zero or Hemoglobin SS complications, they still require acute management and may result in organ damage.

Documentation Requirements

• ✓Documentation must confirm sickle-cell thalassemia beta plus genotype and identify the specific crisis complication not covered by D57.451-D57.
• ✓The provider should describe the complication type, clinical presentation, diagnostic findings, treatment, and outcome. Record any resulting organ damage.

Commonly Confused Codes