eMedCodes logo

Z77.121 - Contact with and (suspected) exposure to harmful algae and algae toxins


The ICD 10 Code for Contact with and (suspected) exposure to harmful algae and algae toxins is listed as Z77.121.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: Z77.121
Description: Contact with and (suspected) exposure to harmful algae and algae toxins
  • Contact with and (suspected) exposure to (harmful) algae bloom NOS
  • Contact with and (suspected) exposure to blue-green algae bloom
  • Contact with and (suspected) exposure to brown tide
  • Contact with and (suspected) exposure to cyanobacteria bloom
  • Contact with and (suspected) exposure to Florida red tide
  • Contact with and (suspected) exposure to pfiesteria piscicida
  • Contact with and (suspected) exposure to red tide
Diagnostic Related Groups
(MS-DRG v30.0)
951 - Other Factors Influencing Health Status
Chapter Factors influencing health status and contact with health services (Z00-Z99)
Block Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Parent Z77.12 - Contact with and (suspected) exposure to hazards in the physical environment
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: V87.32 - Contact with and (suspected) exposure to algae bloom (approximate)
ICD-10-CM Siblings (same level / similar specificity) of Z77.121:
Z77.120 - Contact with and (suspected) exposure to mold (toxic)
Z77.122 - Contact with and (suspected) exposure to noise
Z77.123 - Contact with and (suspected) exposure to radon and other naturally occurring radiation
Z77.128 - Contact with and (suspected) exposure to other hazards in the physical environment