10ICD Code Hub

T65.82

Header — not billable

Toxic effect of harmful algae and algae toxins

The ICD-10 code for toxic effect of harmful algae and algae toxins is T65.82.

T65.82 is a non-billable header code. It groups related conditions but cannot be used on its own for reimbursement — select one of the 4 more specific codes below.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Toxic effect of (harmful) algae bloom NOS
  • Toxic effect of blue-green algae bloom
  • Toxic effect of brown tide
  • Toxic effect of cyanobacteria bloom
  • Toxic effect of Florida red tide
  • Toxic effect of pfiesteria piscicida
  • Toxic effect of red tide

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Child codes under T65.82

Related codes in this category