Final answer:
The correct code that indicates an infected pilonidal sinus with abscess is 685.0.
Step-by-step explanation:
The correct code that indicates an infected pilonidal sinus with abscess is 685.0.
The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) code 685.0 specifically refers to pilonidal cyst with abscess. It is important to use the correct code for accurate medical documentation and billing purposes.
For example, if a patient presents with a pilonidal cyst that has become infected and forms an abscess, the appropriate code to use would be 685.0.