2020 ICD-10-CM Diagnosis Code W50.3XXA

Accidental bite by another person, initial encounter

    2016 2017 2018 2019 2020 Billable/Specific Code
  • W50.3XXA is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM W50.3XXA became effective on October 1, 2019.
  • This is the American ICD-10-CM version of W50.3XXA - other international versions of ICD-10 W50.3XXA may differ.
ICD-10-CM Coding Rules
  • W50.3XXA describes the circumstance causing an injury, not the nature of the injury.
The following code(s) above W50.3XXA 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 W50.3XXA:
  • 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
  • W50
    ICD-10-CM Diagnosis Code W50

    Accidental hit, strike, kick, twist, bite or scratch by another person

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Includes
    • hit, strike, kick, twist, bite, or scratch by another person NOS
    Type 1 Excludes
    • assault by bodily force (Y04)
    • struck by objects (W20-W22)
    Accidental hit, strike, kick, twist, bite or scratch by another person
  • W50.3
    ICD-10-CM Diagnosis Code W50.3

    Accidental bite by another person

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Applicable To
    • Human bite
    • Bite by another person NOS
    Accidental bite by another person
Approximate Synonyms
  • Open human bite of abdominal wall
  • Open human bite of ankle
  • Open human bite of buttock
  • Open human bite of cheek
  • Open human bite of chest wall
  • Open human bite of chin
  • Open human bite of ear
  • Open human bite of elbow
  • Open human bite of eyelid
  • Open human bite of face
  • Open human bite of finger
  • Open human bite of foot
  • Open human bite of forearm
  • Open human bite of forehead
  • Open human bite of great toe
  • Open human bite of hand
  • Open human bite of head
  • Open human bite of hip
  • Open human bite of jaw
  • Open human bite of knee
  • Open human bite of left ankle
  • Open human bite of left buttock
  • Open human bite of left cheek
  • Open human bite of left chest wall
  • Open human bite of left ear
  • Open human bite of left elbow
  • Open human bite of left eyelid
  • Open human bite of left finger
  • Open human bite of left foot
  • Open human bite of left forearm
  • Open human bite of left great toe
  • Open human bite of left hand
  • Open human bite of left hip
  • Open human bite of left index finger
  • Open human bite of left knee
  • Open human bite of left lesser toe
  • Open human bite of left little finger
  • Open human bite of left lower leg
  • Open human bite of left middle finger
  • Open human bite of left periocular area
  • Open human bite of left posterior thorax
  • Open human bite of left ring finger
  • Open human bite of left shoulder
  • Open human bite of left thigh
  • Open human bite of left thumb
  • Open human bite of left toe
  • Open human bite of left upper arm
  • Open human bite of left wrist
  • Open human bite of lesser toe
  • Open human bite of lip
  • Open human bite of low back
  • Open human bite of lower leg
  • Open human bite of neck
  • Open human bite of nose
  • Open human bite of pelvis
  • Open human bite of periocular area
  • Open human bite of posterior thorax
  • Open human bite of right ankle
  • Open human bite of right buttock
  • Open human bite of right cheek
  • Open human bite of right chest wall
  • Open human bite of right ear
  • Open human bite of right elbow
  • Open human bite of right eyelid
  • Open human bite of right finger
  • Open human bite of right foot
  • Open human bite of right forearm
  • Open human bite of right great toe
  • Open human bite of right hand
  • Open human bite of right hip
  • Open human bite of right index finger
  • Open human bite of right knee
  • Open human bite of right lesser toe
  • Open human bite of right little finger
  • Open human bite of right lower leg
  • Open human bite of right middle finger
  • Open human bite of right periocular area
  • Open human bite of right posterior thorax
  • Open human bite of right ring finger
  • Open human bite of right shoulder
  • Open human bite of right thigh
  • Open human bite of right thumb
  • Open human bite of right toe
  • Open human bite of right upper arm
  • Open human bite of right wrist
  • Open human bite of scalp
  • Open human bite of shoulder
  • Open human bite of thigh
  • Open human bite of thumb
  • Open human bite of toe
  • Open human bite of upper arm
  • Open human bite of wrist
  • Open human bite to right chest wall

Convert W50.3XXA 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 W50.3XXA
W50.0XXS …… sequela
W50.1 Accidental kick by another person
W50.1XXA …… initial encounter
W50.1XXD …… subsequent encounter
W50.1XXS …… sequela
W50.2 Accidental twist by another person
W50.2XXA …… initial encounter
W50.2XXD …… subsequent encounter
W50.2XXS …… sequela
W50.3 Accidental bite by another person
W50.3XXA …… initial encounter
W50.3XXD …… subsequent encounter
W50.3XXS …… sequela
W50.4 Accidental scratch by another person
W50.4XXA …… initial encounter
W50.4XXD …… subsequent encounter
W50.4XXS …… sequela
W51 Accidental striking against or bumped into by another person
W51.XXXA Accidental striking against or bumped into by another person, initial encounter
W51.XXXD Accidental striking against or bumped into by another person, subsequent encounter
W51.XXXS Accidental striking against or bumped into by another person, sequela

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