Valid for Submission
S40.861S is a billable diagnosis code used to specify a medical diagnosis of insect bite (nonvenomous) of right upper arm, sequela. The code S40.861S 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 S40.861S might also be used to specify conditions or terms like animal bite of axilla, bite in axilla, infected wound of right upper arm due to non venomous insect bite, insect bite, nonvenomous, of axilla, insect bite, nonvenomous, of upper arm , nonvenomous insect bite of upper arm with infection, etc. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.
S40.861S is a sequela code, includes a 7th character and should be used for complications that arise as a direct result of a condition like insect bite (nonvenomous) of right upper arm. According to ICD-10-CM Guidelines a "sequela" code should be used for chronic or residual conditions that are complications of an initial acute disease, illness or injury. The most common sequela is pain. Usually, two diagnosis codes are needed when reporting sequela. The first code describes the nature of the sequela while the second code describes the sequela or late effect.
The appropriate 7th character is to be added to each code from block Superficial injury of shoulder and upper arm (S40). Use the following options for the aplicable episode of care:
- A - initial encounter
- D - subsequent encounter
- S - sequela
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Animal bite of axilla
- Bite in axilla
- Infected wound of right upper arm due to non venomous insect bite
- Insect bite, nonvenomous, of axilla
- Insect bite, nonvenomous, of upper arm
- Nonvenomous insect bite of upper arm with infection
- Wound of right axilla due to nonvenomous insect bite
- Wound of right upper arm due to nonvenomous insect bite
Diagnostic Related Groups - MS-DRG Mapping
Present on Admission (POA)
Convert S40.861S to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code S40.861S 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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