Corros first deg mult left fngr (nail), not inc thumb, subs

This code signifies a first-degree burn, specifically a corrosion, affecting multiple fingers on the left hand, excluding the thumb. A first-degree burn 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 injury after the initial treatment.

Use this code when documenting ongoing treatment or follow-up for a patient who previously sustained a superficial chemical burn to several non-thumb fingers on their left hand. This would apply to visits for wound checks, dressing changes, or monitoring healing progress. It is appropriate for encounters occurring after the initial acute phase of injury.

• Ensure the documentation clearly specifies "corrosion" (chemical burn) rather than a thermal burn.
• Verify that multiple fingers (excluding the thumb) on the left hand are affected.
• Confirm that the encounter is for follow-up care, not the initial treatment of the injury.