Blister (nonthermal), right lesser toe(s), sequela

This code identifies a non-heat-related blister located on any of the lesser toes of the right foot. It specifically indicates that the blister is a residual effect or late complication of an earlier injury or condition, rather than an acute event.

Apply this code when documenting a patient presenting with a chronic or persistent blister on the right second, third, fourth, or fifth toe, where the original cause (e.g., friction, pressure, allergic reaction) is no longer active. This is appropriate for conditions like a long-standing blister scar or a recurring blister due to a permanent anatomical change.

• Ensure the documentation clearly states the blister is on a lesser toe of the right foot.
• Verify that the blister is explicitly identified as a sequela or late effect of a previous injury or condition.
• Do not use for acute blisters; those require codes from the acute injury section.