ICD-10 Diagnosis Code S90.466S

Insect bite (nonvenomous), unsp lesser toe(s), sequela

Diagnosis Code S90.466S

ICD-10: S90.466S
Short Description: Insect bite (nonvenomous), unsp lesser toe(s), sequela
Long Description: Insect bite (nonvenomous), unspecified lesser toe(s), sequela
This is the 2017 version of the ICD-10-CM diagnosis code S90.466S

Valid for Submission
The code S90.466S is valid for submission for HIPAA-covered transactions.

Code Classification
  • Injury, poisoning and certain other consequences of external causes (S00–T98)
    • Injuries to the ankle and foot (S90-S99)
      • Superficial injury of ankle, foot and toes (S90)

Information for Medical Professionals

Diagnostic Related Groups
The diagnosis code S90.466S is grouped in the following Diagnostic Related Group(s) (MS-DRG v33.0)

  • TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITH MCC 604
  • TRAUMA TO THE SKIN, SUBCUTANEOUS TISSUE AND BREAST WITHOUT MCC 605

Present on Admission (POA) Additional informationCallout TooltipPresent on Admission
The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement.

The code S90.466S is exempt from POA reporting.

Information for Patients


Insect Bites and Stings

Also called: Bug bites

Most insect bites are harmless, though they sometimes cause discomfort. Bee, wasp, and hornet stings and fire ant bites usually hurt. Mosquito and flea bites usually itch. Insects can also spread diseases. In the United States, some mosquitoes spread West Nile virus. Travelers outside the United States may be at risk for malaria and other infections.

To prevent insect bites and their complications

  • Don't bother insects
  • Use insect repellant
  • Wear protective clothing
  • Be careful when you eat outside because food attracts insects
  • If you know you have severe allergic reactions to insect bites and stings (such as anaphylaxis), carry an emergency epinephrine kit

  • Anaphylaxis
  • Bee poison
  • Fire ants
  • Fleas
  • Insect bites and stings
  • Wasp sting


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