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Resource MOHS

How to code for a MOHS surgery.

MOHS is done in stages.

MOHS specimens are referred to as blocks.

Mohs surgery, also known as chemosurgery is performed to remove complex or ill-defined cutaneous malignancies.

17311 and 17313 are the base codes for the range of this surgery. CPT Code 17312, CPT Code 17314 and CPT Code 17315 are the add-on codes for this range.

17311 can be reported for Moh’s micrographic technique, including removal of all gross tumor, surgical excision to tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stain(s) (eg. Hematoxylin and eosin, toluidine blue), head, neck, hands, feet genitalia, or any location with surgery directly involving muscle, cartilage, bone, tendon, major nerves, or vessels; first stage, up to 5 tissue blocks.

17312 is an addon code for each additional stage after the first stage, up to 5 tissue blocks (List separately in addition to code for primary procedure).

Report CPT Code 17312 for additional stages with first stage CPT Code 17311.

17313 may be reported for Moh’s micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping, color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stains(s) (eg. Hematoxylin and eosin, toluidine blue), of the trunk, arms, or legs; first stage, up to 5 tissue blocks.

17314 is an addon code that can be used for each additional stage after the first stage, up to 5 tissue blocks (List separately in addition to code for primary procedure).

Report CPT Code 17314 for additional stages with first stage codes 17313.

17315 may be used to report each block after the first 5 blocks for any single stage (17315 is used as an add-on code to CPT Code 17311, CPT Code 17312, CPT Code 17313 or CPT Code 17314).

17315 may be reported for Moh’s micrographic technique, including removal of all gross tumor, surgical excision of tissue specimens, mapping color coding of specimens, microscopic examination of specimens by the surgeon, and histopathologic preparation including routine stains(s) (eg. Hematoxylin and eosin, toluidine blue), each additional block after the first 5 tissue blocks, any stage (List separately in addition to code for primary procedure).

CCO MOHS.png
 
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