Is B35 a billable ICD-10-CM code?

No. B35 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does B35 sit in the tabular list?

Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).

B35

B35 — Dermatophytosis

Non-billable headerICD-10-CM

B35 is a non-billable header ICD-10-CM code for dermatophytosis. It cannot be billed on its own: choose one of the more specific child codes below.

Includes

Conditions this code covers.

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

Risk adjustment

B35 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Code to one of these instead B35

9 child codes. Green means billable.

B35.0Tinea barbae and tinea capitis
B35.1Tinea unguium
B35.2Tinea manuum
B35.3Tinea pedis
B35.4Tinea corporis
B35.5Tinea imbricata
B35.6Tinea cruris
B35.8Other dermatophytoses
B35.9Dermatophytosis, unspecified

Questions about B35

Is B35 a billable ICD-10-CM code?: No. B35 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does B35 sit in the tabular list?: Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).