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ICD-10-CM Code for Tinea unguium B35.1

ICD-10 code B35.1 for Tinea unguium is a medical classification as listed by WHO under the range - Certain infectious and parasitic diseases .

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Official Long Descriptor

Tinea unguium
Dermatophytic onychia
Dermatophytosis of nail
Onychomycosis
Ringworm of nails

B35

Includes: favus
infections due to species of Epidermophyton, Micro-sporum and Trichophyton
tinea, any type except those in B36.-

Additional/Related Information

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Get crucial instructions for accurate ICD-10-CM B35.1 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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routine footcare questions
Another question about this - when there's no covered diagnosis for routine footcare for Medicare and no ABN was signed, should I add modifier GY or GZ to the procedure code? I thought GZ was more fo... [ Read More ]
Minor procedure done with E/M toenail debridement
Hello, I'm not positive if this belongs in this category, but I wasn't sure where else to put it. I have a situation where the provider reported toenail debridement (11721) as well as a separately id... [ Read More ]
Diabetic foot exams
We code the diabetes unless it is specified as uncomplicated since that is not a covered dx on the LCD. Usually they have neuropathy or vascular disorders which makes foot care difficult and risky if ... [ Read More ]
Podiatry Coding Ohio and Michigan questions
[QUOTE="mdamschroder, post: 501954, member: 480037"] I code what is assessed. We are having so many problems with this auditing company. It is getting very frustrating. [/QUOTE] You are not required ... [ Read More ]
Podiatry Diagnosis
I think I'm over thinking this but want to be sure.My question is about the order of diagnosis for a patient who came in to have a nail trim done with a systemic condition, I understand how to place t... [ Read More ]
11057/11721
Hello, wondering if you can bill 11721-59, 11057. Typically I change 11721 to 11720-59 to unbundle the nails debrided with the lesions removed, is this correct? Please note pt does have diabetes(E11.4... [ Read More ]
Help with Podiatry Coding-E&M-Routine Foot Care- Ingrown Toenail
Your I70.203 meets criteria for the debridement of nails as well as pain in the toes, then the B35.1. I would bill the E/M for ingrown- 25 and then the routine care for the nails.... [ Read More ]
Help with Podiatry Coding-E&M-Routine Foot Care- Ingrown Toenail
Below is a note for a current service here in RI. How would you code this? ... [ Read More ]
billing 11042 and 11721 together
[QUOTE="thescientist8, post: 453713, member: 455766"] What DX did you have for 11042? I usually assign different DX on both (of course based on MR) and add 59 on 11721. [/QUOTE] I had an L97.522 on th... [ Read More ]
Dermatologist billing B35.1 diagnosis to Medicare for finger nail fungus
Hello, Medicare has that routine foot care policy that does not allow the billing of B35.1 without an underlying condition, however, what if the fungus is in the finger nails? What diagnosis codes a... [ Read More ]
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