S65.012D Laceration of ulnar artery at wrist and hand level of left arm, subsequent encounter

ICD-10-CM S65.012D: Laceration of ulnar artery at wrist and hand level of left arm, subsequent encounter

ICD-10-CM code S65.012D identifies a laceration of the ulnar artery at the wrist and hand level of the left arm during a subsequent encounter. The concept is classified as an injury or poisoning. It appears in federal billing and coding articles concerning non-invasive arterial duplex ultrasound. 1 3

Plain-language overview

This diagnosis code represents an injury to the ulnar artery located at the wrist and hand level of the left arm, specifically for a subsequent encounter after the initial injury care. 1

What this code represents

The terminology record assigns this concept the semantic type of Injury or Poisoning, establishing its fundamental clinical classification within the ICD-10-CM version 2026 system. 1

S65.012D is a narrower concept derived from the parent code S65.012, which denotes a laceration of the ulnar artery at the wrist and hand level of the left arm. 1

Coding details

The official display label for S65.012D is laceration of ulnar artery at wrist and hand level of left arm, subsequent encounter, and the record status is active. 1

Clinical context

Upper extremity, hand, and wrist lacerations can range from superficial injuries to complex neurovascular injuries involving arteries, such as the ulnar artery. 2

Documentation considerations

Clinical evaluation of hand lacerations may involve using a Doppler probe placed between the pisiform and the hook of the hamate to listen for the ulnar artery. 2

Coverage and utilization context

The code S65.012D appears in a federal billing and coding article for non-invasive arterial duplex ultrasound of the upper and lower extremities, alongside the sequela code S65.012S. 3

What the sources add

The terminology source provides the official code hierarchy and active status, while the clinical source adds that hand lacerations at all levels involve consultation with a hand surgeon. 1 2

Sources

1. ICD-10-CM S65.012D terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Management of Pediatric Hand Injuries in the Acute Setting Part 3: Lacerations and Fingertip Injuries — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Article - Billing and Coding: Non-Invasive Arterial Duplex Ultrasound of the Upper and Lower Extremities (A60318) — cms.gov; accessed 2026-07-27.
4. Article - Billing and Coding: Non-Invasive Arterial Duplex Ultrasound of the Upper and Lower Extremities (A60318) — cms.gov; accessed 2026-07-27.