Corrosion of first deg mult sites of right ank/ft, subs

This code signifies a superficial burn injury, specifically a first-degree corrosion, affecting multiple areas of the right ankle and foot. This type of injury involves only the outermost layer of skin, causing redness and mild pain without blistering. The "subsequent encounter" indicates that the patient is receiving follow-up care for this previously diagnosed condition.

Use this code when documenting ongoing treatment or evaluation for a first-degree chemical burn to the right ankle and foot. This would include scenarios like wound checks, dressing changes, or medication refills after the initial injury has been assessed and treated. It is appropriate for any encounter following the initial presentation of the corrosion.

• Ensure documentation clearly specifies "first degree" and "corrosion" (chemical burn) rather than thermal burn.
• Verify that "multiple sites" on the right ankle and foot are documented to support this specific code.
• Confirm that the encounter is for follow-up care, not the initial treatment, to justify the "D" seventh character.