In simple words: This code represents a minor injury to the left thumb, such as a scrape, blister, bite, or something stuck in the skin, when the doctor hasn't specified exactly what kind of injury it is.

Unspecified superficial injury of left thumb. This code is used for minor injuries like abrasions, blisters, bites, or foreign bodies in the left thumb, where the specific nature of the injury is not documented.

Example 1: A patient presents with a small cut on their left thumb after accidentally cutting it with a kitchen knife. The wound is superficial and doesn't require stitches., A child has a blister on their left thumb from playing on a monkey bar. The blister is intact and not infected., A patient reports a minor scrape on their left thumb after falling on the pavement.The area is slightly reddened but otherwise unremarkable.

The documentation should describe the injury as superficial and located on the left thumb. If there are any specific characteristics of the injury (e.g., abrasion, blister, bite), these should also be documented.Document the cause of injury, if known.

** This code excludes birth trauma (P10-P15) and obstetric trauma (O70-O71). It also excludes burns and corrosions (T20-T32), frostbite (T33-T34), and venomous insect bites or stings (T63.4).