MEDICAL CODING TRAINING IN CALICUT

 

B33.1 

(ROSS RIVER DISEASE)

                                        Ross River virus disease can cause joint inflammation and pain, fatigue and muscle aches. Many infected people also develop a rash of variable appearance. Most people recover completely within 3 to 6 months, although some people have intermittent symptoms for a year or more.

SYMPTOMS

• lethargy or fatigue
• muscle aches and pains
• rash of variable appearance on the trunk and limbs
• lymph node enlargement especially in the groin or armpit
• headaches
• fever.

                       Most people with Ross River virus disease recover completely within 3 to 6 months. Current knowledge suggests that the body builds an immune response to the virus, which is likely to protect you against the disease for the rest of your life. A general feeling of being unwell, tired or weak may also occur at times during the illness. Symptoms usually develop about 7-10 days after being bitten by an infected mosquito. The majority of people recover completely in a few weeks. Others may experience symptoms such as joint pain and tiredness for many months.

• B33.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2021 edition of ICD-10-CM B33.1 became effective on October 1, 2020.
• This is the American ICD-10-CM version of B33.1 - other international versions of ICD-10 B33.1 may differ.

Applicable To

• Epidemic polyarthritis and exanthema
• Ross River fever

The following code(s) above B33.1 contain annotation back-references

 that may be applicable to B33.1:

• A00-B99 
   Certain infectious and parasitic diseases

Approximate Synonyms

• Ross river fever

ICD-10-CM B33.1 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

• 865 Viral illness with mcc
• 866 Viral illness without mcc

Convert B33.1 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
• 2021 (effective 10/1/2020): No change

Code annotations containing back-references to B33.1:

• Type 1 Excludes: A92

Diagnosis Index entries containing back-references to B33.1:

• Disease, diseased - see also Syndrome
  • Ross River B33.1
• Fever (inanition) (of unknown origin) (persistent) (with chills) (with rigor) R50.9
  • Ross River B33.1
• Polyarthritis, polyarthropathy M13.0
   - see also Arthritis
  • epidemic B33.1 (Australian) (with exanthema)
• Ross River disease or fever B33.1

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

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