Update fhir-faq.md

Author: EXPEkesheth

articles/healthcare-apis/fhir/fhir-faq.md

@@ -134,6 +134,11 @@ There are two basic Delete types supported within the FHIR service. These are [D
 
 ## Using the FHIR service
 
+### Can I perform health checks on FHIR service?
+
+To perform health check on FHIR service , enter `{{fhirurl}}/health/check` in the GET request. You should be able to see Status of FHIR service without need of authentication. HTTP Status code response with 200 and OverallStatus as "Healthy" in response, means your health check is succesful.
+In case of errors, you will recieve error response with HTTP status code 404 (Not Found) or status code 500 (Internal Server Error).
+
 ### Where can I see some examples of using the FHIR service within a workflow?
 
 We have a collection of reference architectures available on the [Health Architecture GitHub page](https://github.com/microsoft/health-architectures).
@@ -145,4 +150,4 @@ In this article, you've learned the answers to frequently asked questions about
 >[!div class="nextstepaction"]
 >[FAQs about Azure API for FHIR](../azure-api-for-fhir/fhir-faq.yml)
 
-FHIR® is a registered trademark of [HL7](https://hl7.org/fhir/) and is used with the permission of HL7.
+FHIR® is a registered trademark of [HL7](https://hl7.org/fhir/) and is used with the permission of HL7.