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Group B strep diagnosised in the third trimester

Julie Posted Tue 12th of February, 2019 19:37:57 PM
If a patient is diagnosis with Group B strip in the third trimester and the provider has to wait until she is in labor to give the antibiotics - would you use - Strep B carrier complicating pregnancy O99.820 or Strep B carrier in childbirth (O99.824)?
SuperCoder Answered Wed 13th of February, 2019 03:18:27 AM


Thanks for your question.

Group B streptococcus (GBS) is commonly found in pregnant women. Most of the patient does not have any problems if properly treated during labor and delivery. A positive GBS culture means that the mother carries the GBS bacteria, not that she or her baby will become ill. 

Since the mother is in her third trimester then code O99.820 will be appropriate to use as the childbirth will be in future.

Hope this helps.



Julie Posted Wed 13th of February, 2019 07:24:50 AM
thank you for your answer! one more question - what dx would you use then on the delivery note?
SuperCoder Answered Thu 14th of February, 2019 08:04:24 AM


The diagnosis will depend on the status of the patient during delivery. 



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