Bitten or stung by nonvenomous insect and other nonvenomous arthropods, initial encounter 1 V00-Y99#N#2021 ICD-10-CM Range V00-Y99#N#External causes of morbidity#N#Note#N#This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter of the Classification indicating the nature of the condition. Most often, the condition will be classifiable to Chapter 19, Injury, poisoning and certain other consequences of external causes ( S00-T88 ). Other conditions that may be stated to be due to external causes are classified in Chapters I to XVIII. For these conditions, codes from Chapter 20 should be used to provide additional information as to the cause of the condition.#N#External causes of morbidity 2 W50-W64#N#2021 ICD-10-CM Range W50-W64#N#Exposure to animate mechanical forces#N#Type 1 Excludes#N#Toxic effect of contact with venomous animals and plants ( T63.-)#N#Exposure to animate mechanical forces 3 W57#N#ICD-10-CM Diagnosis Code W57#N#Bitten or stung by nonvenomous insect and other nonvenomous arthropods#N#2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code#N#Type 1 Excludes#N#contact with venomous insects and arthropods ( T63.2-, T63.3-, T63.4-)#N#Bitten or stung by nonvenomous insect and other nonvenomous arthropods
W57.XXXA describes the circumstance causing an injury, not the nature of the injury. This chapter permits the classification of environmental events and circumstances as the cause of injury, and other adverse effects. Where a code from this section is applicable, it is intended that it shall be used secondary to a code from another chapter ...
Insect bite (nonvenomous) of lower leg 1 S80.86 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail. 2 The 2021 edition of ICD-10-CM S80.86 became effective on October 1, 2020. 3 This is the American ICD-10-CM version of S80.86 - other international versions of ICD-10 S80.86 may differ.
Use secondary code (s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code.
S90.466A is a billable diagnosis code used to specify a medical diagnosis of insect bite (nonvenomous), unspecified lesser toe (s), initial encounter. The code S90.466A is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.#N#The ICD-10-CM code S90.466A 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.#N#S90.466A is an initial encounter code, includes a 7th character and should be used while the patient is receiving active treatment for a condition like insect bite (nonvenomous) unspecified lesser toe (s). According to ICD-10-CM Guidelines an "initial encounter" doesn't necessarily means "initial visit". The 7th character should be used when the patient is undergoing active treatment regardless if new or different providers saw the patient over the course of a treatment. The appropriate 7th character codes should also be used even if the patient delayed seeking treatment for a condition.#N#Unspecified diagnosis codes like S90.466A 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.
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.