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Pulmonology Coding Alert

Reader Question:

Justify Multiple Services in One Week

Published on Wed Apr 28, 2004

Question: The pulmonologist placed a patient on antibiotic therapy to treat an upper respiratory infection. The next day, the patient complained that the medication caused her severe epigastric discomfort. The physician changed the medication, which the patient tolerated. How can the pulmonologist receive payment for two services in one week?

Michigan Subscriber
 
Answer: The pulmonologist must prove medical necessity for each service. When the patient presents to the physician or nonphysician practitioner with symptoms of an upper respiratory infection in the first service, the provider should choose diagnosis codes to match the patient's condition.

For example, the patient may have a cough (786.2), sore throat (462), and fever of a nonspecific origin (780.6). The pulmonologist may determine that this cluster of symptoms is consistent with an upper respiratory infection (465.9). When submitting diagnosis codes for any visit, the physician may list up to four. In this case, he should submit all of the above codes to paint an accurate clinical picture.

When the patient returns to the office complaining of epigastric pain, that visit represents an adverse reaction to the prescribed medication. This situation is a good example of when to use E codes, which describe circumstances that caused the injury, not the nature of the injury.

Because the patient followed the provider's treatment and took the antibiotics as recommended, you should code epigastric pain (789.06) as the first diagnosis.

If the provider determines that the symptoms are related to the therapeutic use of the antibiotic, the provider should use the appropriate E code to identify the drug (for example, if the patient takes erythromycin, report E930.3).

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