Valid for Submission
S20.161A is a billable diagnosis code used to specify a medical diagnosis of insect bite (nonvenomous) of breast, right breast, initial encounter. The code S20.161A is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code S20.161A might also be used to specify conditions or terms like injury of right breast, insect bite, nonvenomous, of breast, wound of right breast due to nonvenomous insect bite or wound of right half of chest wall due to nonvenomous insect bite.
S20.161A 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) of breast right breast. 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.
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Injury of right breast
- Insect bite, nonvenomous, of breast
- Wound of right breast due to nonvenomous insect bite
- Wound of right half of chest wall due to nonvenomous insect bite
Diagnostic Related Groups - MS-DRG Mapping
Convert S20.161A to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code S20.161A its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.
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
- Don't bother insects
- Use insect repellant
- Wear protective clothing
- Be careful when you eat outside because food attracts insects
- If you know you have severe allergic reactions to insect bites and stings (such as anaphylaxis), carry an emergency epinephrine kit
- Anaphylaxis (Medical Encyclopedia)
- Bee poison (Medical Encyclopedia)
- Fire ants (Medical Encyclopedia)
- Fleas (Medical Encyclopedia)
- Insect bites and stings (Medical Encyclopedia)
- Wasp sting (Medical Encyclopedia)
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