Re: Merkel cell carcimona
Thank you for a very informative website.
Effective Oct 2009 Merkel Cell Carcinoma was assigned to ICD-9-CM category 209. Do you know where it is referenced in the Volume II Alphabetical Index? I cannot find it there.
Our ICD-9 (2010 edition with valid codes thru September 30, 2009) has it shown in the alphabetical index under Carcinoma - Merkel Cell. We're currently using the Ingenix 2010 Expert (Page 41 of Volume 2). If it's any help here's a summary of the 4th and 5th digits:
Merkel cell carcinoma:
- Buttock - 209.36
- Ear - 209.31
- Eylid(Including canthus) - 209.31
- Face - 209.31
- Genitals - 209.36
- Lip - 209.31
- Lower limb - 209.34
- Neck - 209.32
- Nodal presentation - 209.75
- Scalp - 209.32
- Secondary (any site) - 209.75
- Specified site NEC - 209.36
- Trunk - 209.35
- Unknown primary site - 209.75
- Upper limb - 209.33
- Visceral metastatic presentation - 209.75
Hope this answers your question Lola - Thanks!
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