88300 and 88304
Okay, I'm not at all sure here, but:
In CPT 2009 Professional Edition pages 373-374 it states in the dialogue prior to the codes:
Service code 88300 is used for any specimen that in the opinion of the examining pathologist can be accurately diagnosed without microscopic examination.
88300-Level 1, surgical pathology, gross examination only
Service codes 88304 through 88309 describe all other specimens requiring gross and microscopic examination, and represent additional ascending levels of physician work.
88304-Level III, surgical pathology, gross and microscopic examination
This leads me to think the 88300 is included in the 88304 so would not be reported separately on the same specimen. Also, see below what CPT assistant has to say concerning multiple specimens.
Multiple pathological specimens
CPT Assistant, September 2000 Pages: 10,11 Category: Coding Consultation
Related Information
Surgical Pathology
Question
If two skin lesions are submitted together and are not separately identified, would this be reported as one or two specimens?
AMA Comment
The unit of service for the surgical pathology codes 88300-88309 is the specimen. A specimen is defined as tissue(s) that is (are) submitted for individual and separate attention, requiring individual examination and pathologic diagnosis.
Therefore, when material received for pathologic examination comprises multiple specimens, each specimen is considered a single unit of service and should be reported using a single code. For example, if two separate skin lesions are separately identified and submitted in a single container, the physician work related to each of these separately identified specimens would be reported as two units of service with code 88305. If, however, two separate skin lesions are submitted together and are not separately identified, then this would be reported as a single specimen as one unit of service with code 88305.
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Hope this helps!