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ICD-10-CM Code for Carcinoma in situ of skin of right ear and external auricular canal D04.21

ICD-10 code D04.21 for Carcinoma in situ of skin of right ear and external auricular canal is a medical classification as listed by WHO under the range - Neoplasms .

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Official Long Descriptor

Carcinoma in situ of skin of right ear and external auricular canal

D04

Excludes1: erythroplasia of Queyrat (penis) NOS (D07.4)
melanoma in situ (D03.-)

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM D04.21 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.

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can we bill dx M54.42 and M51.16 together?
[QUOTE="mbellar, post: 509227, member: 180067"] I have had this denial as well, sent appeal stating these are two separate lesions and unrelated conditions- appeals are still being upheld Billing 8... [ Read More ]
can we bill dx M54.42 and M51.16 together?
[QUOTE="thomas7331, post: 507729, member: 5404"] As the post above indicates, there is an Excludes1 note, but it is incorrect in stating that they may not be billed together. Per the exceptions given... [ Read More ]
help with a dx please
Approximate Synonyms dx code of D04.4 from the ICD10 manual is description below. Cancer in situ, skin of scalp [LIST] [*]Carcinoma in situ of skin of neck [*]Carcinoma in situ of skin of s... [ Read More ]
help with a dx please
[QUOTE="thomas7331, post: 478231, member: 5404"] D04.4 would be incorrect as this is documented neither [I]in situ [/I]nor as a carcinoma of the skin. Per the 2020 ICD-10 guidelines, 'consistent with... [ Read More ]
help with a dx please
D04.4 would be incorrect as this is documented neither [I]in situ [/I]nor as a carcinoma of the skin. Per the 2020 ICD-10 guidelines, 'consistent with' should be treated as an uncertain diagnosis, wh... [ Read More ]
help with a dx please
[QUOTE="TThivierge, post: 478222, member: 216725"] Hi Check out the dx block of D04.4. I hope this helps you. Lady T:cool: [/QUOTE] thank you i will... [ Read More ]
help with a dx please
Hi Check out the dx block of D04.4. I hope this helps you. Lady T:cool:... [ Read More ]
Which Dx to use?
[QUOTE="jh1991, post: 469112, member: 237375"] We did one shave biopsy and the path report came back as Inflamed AK with extremely focal areas of squamous cell carcinoma in situ. Margins negative for... [ Read More ]
Surgical pathology-Coding
You are correct - per Paget's, if it's a skin biopsy, it has to be a 305 no matter the size or number of cassettes (I have included the Paget's rule below). I hope this helps!! Popular urban legend ... [ Read More ]
SSC in situ of jaw
Hi, My provider is documenting a squamous cell carcinoma in situ of the jaw, do I code this as C44.329 or D04.39 as the SCC and in situ are separate ICD-10 codes? I found this article, where it sate... [ Read More ]
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