In simple words: Bacterial infection of the finger.

Cellulitis of finger (felon, whitlow)

Example 1: A patient presents with a swollen, red, and painful index finger. The patient reports accidentally puncturing the finger with a sewing needle a few days prior. The physician diagnoses cellulitis of the finger (felon)., A patient with diabetes presents with a red, tender, and swollen thumb. The patient denies any known trauma. Due to the patient's diabetes, they are at increased risk of infection. The physician diagnoses cellulitis of the finger., A child presents with a painful, swollen, and pus-filled lesion on their middle finger. The patient reports biting their fingernail earlier in the week. The physician diagnoses cellulitis of the finger (whitlow).

Detailed documentation of the location, size, and appearance of the affected area, as well as any associated symptoms (pain, swelling, redness, warmth), the presence or absence of pus, and any relevant history (trauma, comorbidities).

** Excludes1: herpetic whitlow (B00.89)Excludes2: cellulitis of anal and rectal region (K61.-), cellulitis of external auditory canal (H60.1), cellulitis of eyelid (H00.0), cellulitis of female external genital organs (N76.4), cellulitis of lacrimal apparatus (H04.3), cellulitis of male external genital organs (N48.2, N49.-), cellulitis of mouth (K12.2), cellulitis of nose (J34.0), eosinophilic cellulitis [Wells] (L98.3), febrile neutrophilic dermatosis [Sweet] (L98.2), lymphangitis (chronic) (subacute) (I89.1)