2021 ICD-10-CM Code S90.466

Insect bite (nonvenomous), unspecified lesser toe(s)

Version 2021
Non-Billable Code
Unspecified Code

Not Valid for Submission

S90.466 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of insect bite (nonvenomous), unspecified lesser toe(s). The code is NOT valid for the year 2021 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

The ICD-10-CM code S90.466 might also be used to specify conditions or terms like insect bite, nonvenomous, of foot and toe, infected, insect bite, nonvenomous, of toe, nonvenomous insect bite of foot with infection, nonvenomous insect bite of foot with infection, nonvenomous insect bite of foot without infection , nonvenomous insect bite of lower limb without infection, etc.

Unspecified diagnosis codes like S90.466 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:S90.466
Short Description:Insect bite (nonvenomous), unspecified lesser toe(s)
Long Description:Insect bite (nonvenomous), unspecified lesser toe(s)

Code Classification

Specific Coding for Insect bite (nonvenomous), unspecified lesser toe(s)

Header codes like S90.466 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for insect bite (nonvenomous), unspecified lesser toe(s):

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Clinical Information

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


[Learn More]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)