SEER Inquiry System - Question 20000842 Details

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Produced: 03/04/2026 8:13 AM

Question 20000842

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Inquiry Details

References:

#1: SEER App F, 2003+ Surg Codes, F-21. January 2003

#2: 2004 SEER Manual, C-441, C-429

Question:

Surgery of Primary Site--Skin: Explain the difference between code 30 and code 45.

Code 30 [Biopsy of primary tumor followed by a gross excision of the lesion]

Code 45 [Wide excision or re-excision of lesion or minor (local) amputation with margins more than 1 cm, NOS. Margins MUST be microscopically negative.]

Discussion:

Answer:

For cases diagnosed 1/1/2003 and after: Code 30 represents a biopsy or excision in which the margins of excision are less than 1 cm or the margins are unknown. Code 45 represents a wide excision in which it is known that the margins of excision are greater than 1 cm.

History:

For cases diagnosed 1998-2002: Explain the difference between codes 30 [biopsy followed by gross excision] and 40 [wide excision or re-excision of lesion or minor (local) amputation].

Code 30 is a biopsy or excision where the margins of excision are less than 1 cm. Code 40 is a wide excision where the margins of excision are 1 cm or more.

Cancer Site Category:

Skin

Data Item Category:

Surgery of Primary Site

Other Category:

N/A

Year:

2000