S61.255D Open bite of left ring finger without damage to nail, subsequent encounter

ICD-10-CM S61.255D: Open bite of left ring finger without damage to nail, subsequent encounter

ICD-10-CM code S61.255D identifies an open bite of the left ring finger without damage to the nail during a subsequent encounter. This active terminology record classifies the concept as an injury or poisoning and represents a specific concept under the parent code S61.255. Code tree listings show adjacent codes for different fingers and laterality. 1 4

Plain-language overview

The official label for S61.255D is an open bite of the left ring finger without damage to the nail, subsequent encounter, and the terminology record is active for ICD-10-CM version 2026. 1

What this code represents

Code S61.255D represents a specific injury or poisoning concept that is active within the ICD-10-CM version 2026 terminology system and has narrower related concepts under its hierarchy. 1

The code S61.255D is a direct child of the parent concept S61.255, which is defined as an open bite of the left ring finger without damage to the nail. 1

Coding details

The published abbreviation for S61.255D is open bite of left ring finger without damage to nail, subsequent encounter, distinguishing the specific encounter type within the coding structure. 1

Code S61.255D is listed alongside S61.255A for the initial encounter, establishing a distinction among different phases of care for the same finger injury. 4

Documentation considerations

The terminology record for S61.255D specifies the left ring finger, confirms the absence of nail damage, and identifies the current visit as a subsequent encounter for the open bite. 1 4

What the sources add

While the terminology record defines S61.255D as an active concept, the code tree listing provides operational context by showing adjacent codes for other fingers and laterality. 1 4

Comparing the CMS definitions across versions 36.0 and 40.0 shows a consistent listing of related left ring finger open bite codes, though neither excerpt explicitly contains the target S61.255D code. 2 3

Coverage and utilization context

The CMS definitions manual lists related left ring finger bite codes for initial encounters and sequela, but the provided excerpts do not establish payer coverage rules for S61.255D. 2 3

Sources

1. ICD-10-CM S61.255D terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. ICD-10-CM/PCS MS-DRG v40.0 Definitions Manual — cms.gov; accessed 2026-07-27.
3. ICD-10-CM/PCS MS-DRG v36.0 Definitions Manual — cms.gov; accessed 2026-07-27.
4. ICD-10-CM 2024 | S61 - Open wound of wrist, hand and fingers — unboundmedicine.com; accessed 2026-07-27.