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forolaaldea-10-CM Code W57
Bitten or stung by nonvenomous insect and other nonvenomous arthropods

NON-BILLABLE
Non-Billable Code
Non-Billable means the code is not sufficient justification for admission to an acute care hospital when used a principal diagnosis. Use a child code to capture more detail.
7th Character Required
7th Character Required
Code requires 7th Character Extension identifier. This 7th Character usually captures Episode of Care information, such as "Initial Encounter," "Subsquent Encounter," or "Sequela."
| forolaaldea-10 from 2011 - 2016

forolaaldea Code W57 is a non-billable code. To code a diagnosis of this type, you must use specify a 7th character that describes the diagnosis 'bit/stung by nonvenom insect and oth nonvenomous arthropods' in more detail. The 7th characters that can be added, and the resulting billable codes, are as follows:




7th Digit Billable Code 7th Digit Specifies
A W57.XXXA initial encounter
D W57.XXXD subsequent encounter
S W57.XXXS sequela

What is 7th Character Extension?

For codes less than 6 characters that require a 7th character a placeholder 'X' should be assigned for all characters less than 6. The 7th character must always be the 7th position of a code. E.g. The forolaaldea-10-CM code T67.4 (Heat exhaustion due to salt depletion) requires an Episode of Care identifier. T67.4XXA Initial Encounter or T67.4XXD Subsequent Encounter. More Info

The forolaaldea code W57 is used to code Insect bites and stings

Insect bites and stings occur when an insect is agitated and seeks to defend itself through its natural defense mechanisms, or when an insect seeks to feed off the bitten person. Some insects inject formic acid, which can cause an immediate skin reaction often resulting in redness and swelling in the injured area. Stings from fire ants, bees, wasps and hornets are usually painful, and may stimulate a dangerous allergic reaction called anaphylaxis for at-risk patients, and some wasps can also have a powerful bite along with a sting. Bites from mosquitoes and fleas are more likely to cause itching than pain.

Specialty: Emergency Medicine
MeSH Codes: D007299, D007299, D007299, D007299, D007299
forolaaldea 9 Codes: 919.4, 989.5, E905.3, E905.5, E906.4

Aedes aegypti, the yellow fever mosquito, biting

Source: Wikipedia

Coding Notes for W57 Info for medical coders on how to properly use this forolaaldea-10 code

Code Type-1 Excludes:
Type-1 Excludes
Type-1 Excludes mean the conditions excluded are mutually exclusive and should never be coded together. Excludes 1 means "do not code here."
Contact with venomous insects and arthropods (T63.2-, T63.3-, T63.4-) - instead, use code T63.2-
7th Character Extension Notes:

What is 7th Character Extension?

For codes less than 6 characters that require a 7th character a placeholder 'X' should be assigned for all characters less than 6. The 7th character must always be the 7th position of a code. E.g. The forolaaldea-10-CM code T67.4 (Heat exhaustion due to salt depletion) requires an Episode of Care identifier. T67.4XXA Initial Encounter or T67.4XXD Subsequent Encounter. More Info
The appropriate 7th character is to be added to code See Code W57

Related Concepts SNOMET-CT

  • Nonvenomous insect bite of interscapular region without infection (disorder)
  • Nonvenomous insect bite of flank without infection (disorder)
  • Nonvenomous insect bite of perineum with infection (disorder)
  • Nonvenomous insect bite of scalp without infection (disorder)
  • Nonvenomous insect bite of hand without infection (disorder)
  • Nonvenomous insect bite of ankle with infection (disorder)
  • Nonvenomous insect bite of nose without infection (disorder)
  • Nonvenomous insect bite of gum without infection (disorder)
  • Nonvenomous insect bite of neck without infection (disorder)
  • Nonvenomous insect bite of thigh with infection (disorder)
  • Nonvenomous insect bite of abdominal wall with infection (disorder)
  • Nonvenomous insect bite of shoulder without infection (disorder)
  • Nonvenomous insect bite of thigh without infection (disorder)
  • Nonvenomous insect bite of back with infection (disorder)
  • Nonvenomous insect bite of hip without infection (disorder)
  • Nonvenomous insect bite of upper arm without infection (disorder)
  • Nonvenomous insect bite of gum with infection (disorder)
  • Nonvenomous insect bite of toe without infection (disorder)
  • Insect bite, nonvenomous, of foot and toe, infected (disorder)
  • Nonvenomous insect bite of wrist with infection (disorder)
  • Nonvenomous insect bite of buttock without infection (disorder)
  • Nonvenomous insect bite of face with infection (disorder)
  • Nonvenomous insect bite of chest wall with infection (disorder)
  • Nonvenomous insect bite of elbow with infection (disorder)
  • Insect bite, nonvenomous, of breast (disorder)
  • Insect bite, nonvenomous, of buttock (disorder)
  • Insect bite of thumb (disorder)
  • Infected insect bite of thumb (disorder)
  • Insect bite, nonvenomous, of ankle (disorder)
  • Insect bite, nonvenomous, of hip (disorder)
  • Nonvenomous insect bite of nose with infection (disorder)
  • Insect bite of throat (disorder)
  • Insect bite, nonvenomous, of knee (disorder)
  • Nonvenomous insect bite of cheek without infection (disorder)
  • Nonvenomous insect bite of lip without infection (disorder)
  • Nonvenomous insect bite of lip with infection (disorder)
  • Nonvenomous insect bite of testis with infection (disorder)
  • Insect bite of eye region (disorder)
  • Insect bite, nonvenomous, of neck (disorder)
  • Insect bite, nonvenomous, of chest wall (disorder)
  • Insect bite of dorsum of foot (disorder)
  • Insect bite, nonvenomous, of flank (disorder)
  • Insect bite, nonvenomous, of anus (disorder)
  • Wasp sting without reaction (disorder)

Coding Advice SNOMET-CT

  • Possible requirement for place of occurrence
  • Episode of care information needed

forolaaldea-10-CM External Cause Index References for 'W57 - Bitten or stung by nonvenomous insect and other nonvenomous arthropods'

The forolaaldea-10-CM External Cause Index links the below-listed medical terms to the forolaaldea code W57. Click on any term below to browse the external cause index.


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Source: /icd10cm/W57