2020 ICD-10-CM Diagnosis Code W57.XXXA

Bitten or stung by nonvenomous insect and other nonvenomous arthropods, initial encounter

    2016 2017 2018 2019 2020 Billable/Specific Code
  • W57.XXXA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Bit/stung by nonvenom insect & oth nonvenom arthropods, init
  • The 2020 edition of ICD-10-CM W57.XXXA became effective on October 1, 2019.
  • This is the American ICD-10-CM version of W57.XXXA - other international versions of ICD-10 W57.XXXA may differ.
ICD-10-CM Coding Rules
  • W57.XXXA describes the circumstance causing an injury, not the nature of the injury.
The following code(s) above W57.XXXA contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to W57.XXXA:
  • V00-Y99
    2020 ICD-10-CM Range V00-Y99

    External causes of morbidity

    Note
    • 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.
    External causes of morbidity
  • W50-W64
    2020 ICD-10-CM Range W50-W64

    Exposure to animate mechanical forces

    Type 1 Excludes
    • Toxic effect of contact with venomous animals and plants (T63.-)
    Exposure to animate mechanical forces
  • W57
    ICD-10-CM Diagnosis Code W57

    Bitten or stung by nonvenomous insect and other nonvenomous arthropods

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 1 Excludes
    Bitten or stung by nonvenomous insect and other nonvenomous arthropods
Approximate Synonyms
  • Cause of injury, nonvenomous arthropod
  • Insect bite, nonvenomous, of abdominal wall
  • Insect bite, nonvenomous, of anus
  • Insect bite, nonvenomous, of buttock
  • Insect bite, nonvenomous, of chest wall
  • Insect bite, nonvenomous, of head, infected
  • Nonvenomous insect bite of abdominal wall
  • Nonvenomous insect bite of abdominal wall with infection
  • Nonvenomous insect bite of anus
  • Nonvenomous insect bite of buttock
  • Nonvenomous insect bite of buttock with infection
  • Nonvenomous insect bite of cheek
  • Nonvenomous insect bite of cheek with infection
  • Nonvenomous insect bite of chest wall
  • Nonvenomous insect bite of chest wall with infection
  • Nonvenomous insect bite of chin
  • Nonvenomous insect bite of chin with infection
  • Nonvenomous insect bite of female genital organ
  • Nonvenomous insect bite of female genital organ with infection
  • Nonvenomous insect bite of foot
  • Nonvenomous insect bite of forehead
  • Nonvenomous insect bite of forehead with infection
  • Nonvenomous insect bite of head
  • Nonvenomous insect bite of head, with infection
  • Nonvenomous insect bite of left ankle
  • Nonvenomous insect bite of left ankle with infection
  • Nonvenomous insect bite of left axilla
  • Nonvenomous insect bite of left axilla with infection
  • Nonvenomous insect bite of left breast
  • Nonvenomous insect bite of left breast with infection
  • Nonvenomous insect bite of left chest wall
  • Nonvenomous insect bite of left chest wall with infection
  • Nonvenomous insect bite of left ear
  • Nonvenomous insect bite of left ear with infection
  • Nonvenomous insect bite of left elbow
  • Nonvenomous insect bite of left elbow, with infection
  • Nonvenomous insect bite of left eyelid
  • Nonvenomous insect bite of left eyelid with infection
  • Nonvenomous insect bite of left finger
  • Nonvenomous insect bite of left finger with infection
  • Nonvenomous insect bite of left foot
  • Nonvenomous insect bite of left foot with infection
  • Nonvenomous insect bite of left forearm
  • Nonvenomous insect bite of left forearm, with infection
  • Nonvenomous insect bite of left great toe
  • Nonvenomous insect bite of left great toe with infection
  • Nonvenomous insect bite of left hand
  • Nonvenomous insect bite of left hand with infection
  • Nonvenomous insect bite of left hip
  • Nonvenomous insect bite of left hip with infection
  • Nonvenomous insect bite of left index finger
  • Nonvenomous insect bite of left index finger with infection
  • Nonvenomous insect bite of left knee
  • Nonvenomous insect bite of left knee with infection
  • Nonvenomous insect bite of left lesser toe
  • Nonvenomous insect bite of left lesser toe with infection
  • Nonvenomous insect bite of left little finger
  • Nonvenomous insect bite of left little finger with infection
  • Nonvenomous insect bite of left lower leg
  • Nonvenomous insect bite of left lower leg with infection
  • Nonvenomous insect bite of left middle finger
  • Nonvenomous insect bite of left middle finger with infection
  • Nonvenomous insect bite of left posterior thorax
  • Nonvenomous insect bite of left posterior thorax with infection
  • Nonvenomous insect bite of left ring finger
  • Nonvenomous insect bite of left ring finger with infection
  • Nonvenomous insect bite of left shoulder
  • Nonvenomous insect bite of left shoulder with infection
  • Nonvenomous insect bite of left thigh
  • Nonvenomous insect bite of left thigh with infection
  • Nonvenomous insect bite of left thumb
  • Nonvenomous insect bite of left thumb, with infection
  • Nonvenomous insect bite of left upper arm
  • Nonvenomous insect bite of left upper arm with infection
  • Nonvenomous insect bite of left wrist
  • Nonvenomous insect bite of left wrist with infection
  • Nonvenomous insect bite of low back
  • Nonvenomous insect bite of low back with infection
  • Nonvenomous insect bite of male genital organ
  • Nonvenomous insect bite of male genital organ with infection
  • Nonvenomous insect bite of mouth
  • Nonvenomous insect bite of mouth with infection
  • Nonvenomous insect bite of multiple sites with infection
  • Nonvenomous insect bite of pelvis
  • Nonvenomous insect bite of pelvis with infection
  • Nonvenomous insect bite of posterior thorax
  • Nonvenomous insect bite of posterior thorax with infection
  • Nonvenomous insect bite of right ankle
  • Nonvenomous insect bite of right ankle with infection
  • Nonvenomous insect bite of right axilla
  • Nonvenomous insect bite of right axilla with infection
  • Nonvenomous insect bite of right breast
  • Nonvenomous insect bite of right breast with infection
  • Nonvenomous insect bite of right chest wall
  • Nonvenomous insect bite of right chest wall with infection
  • Nonvenomous insect bite of right ear
  • Nonvenomous insect bite of right ear with infection
  • Nonvenomous insect bite of right elbow
  • Nonvenomous insect bite of right elbow, with infection
  • Nonvenomous insect bite of right eyelid
  • Nonvenomous insect bite of right eyelid with infection
  • Nonvenomous insect bite of right finger
  • Nonvenomous insect bite of right finger with infection
  • Nonvenomous insect bite of right foot
  • Nonvenomous insect bite of right foot with infection
  • Nonvenomous insect bite of right forearm
  • Nonvenomous insect bite of right forearm, with infection
  • Nonvenomous insect bite of right great toe
  • Nonvenomous insect bite of right great toe with infection
  • Nonvenomous insect bite of right hand
  • Nonvenomous insect bite of right hand with infection
  • Nonvenomous insect bite of right hip
  • Nonvenomous insect bite of right hip with infection
  • Nonvenomous insect bite of right index finger
  • Nonvenomous insect bite of right index finger with infection
  • Nonvenomous insect bite of right knee
  • Nonvenomous insect bite of right knee with infection
  • Nonvenomous insect bite of right lesser toe
  • Nonvenomous insect bite of right lesser toe with infection
  • Nonvenomous insect bite of right little finger
  • Nonvenomous insect bite of right little finger with infection
  • Nonvenomous insect bite of right lower leg
  • Nonvenomous insect bite of right lower leg with infection
  • Nonvenomous insect bite of right middle finger
  • Nonvenomous insect bite of right middle finger with infection
  • Nonvenomous insect bite of right posterior thorax
  • Nonvenomous insect bite of right posterior thorax with infection
  • Nonvenomous insect bite of right ring finger
  • Nonvenomous insect bite of right ring finger with infection
  • Nonvenomous insect bite of right shoulder
  • Nonvenomous insect bite of right shoulder with infection
  • Nonvenomous insect bite of right thigh
  • Nonvenomous insect bite of right thigh with infection
  • Nonvenomous insect bite of right thumb
  • Nonvenomous insect bite of right thumb, with infection
  • Nonvenomous insect bite of right upper arm
  • Nonvenomous insect bite of right upper arm with infection
  • Nonvenomous insect bite of right wrist
  • Nonvenomous insect bite of right wrist with infection
  • Nonvenomous insect bite of sacrum
  • Nonvenomous insect bite of sacrum with infection
  • Nonvenomous insect bite of tongue
  • Nonvenomous insect bite of tongue with infection
  • Nonvenomous insect bites of multiple sites, with infection

Convert W57.XXXA to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
ICD-10-CM Codes Adjacent To W57.XXXA
W56.81XS …… sequela
W56.82 Struck by other nonvenomous marine animals
W56.82XA …… initial encounter
W56.82XD …… subsequent encounter
W56.82XS …… sequela
W56.89 Other contact with other nonvenomous marine animals
W56.89XA …… initial encounter
W56.89XD …… subsequent encounter
W56.89XS …… sequela
W57 Bitten or stung by nonvenomous insect and other nonvenomous arthropods
W57.XXXA Bitten or stung by nonvenomous insect and other nonvenomous arthropods, initial encounter
W57.XXXD Bitten or stung by nonvenomous insect and other nonvenomous arthropods, subsequent encounter
W57.XXXS Bitten or stung by nonvenomous insect and other nonvenomous arthropods, sequela
W58 Contact with crocodile or alligator
W58.0 Contact with alligator
W58.01 Bitten by alligator
W58.01XA …… initial encounter
W58.01XD …… subsequent encounter
W58.01XS …… sequela
W58.02 Struck by alligator
W58.02XA …… initial encounter

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.