S36.63XD Laceration of rectum, subsequent encounter

ICD-10-CM S36.63XD: Laceration of rectum, subsequent encounter

ICD-10-CM code S36.63XD identifies a laceration of the rectum for a subsequent encounter, classifying this health status under the broader parent concept of rectal laceration. This terminology record is active and represents an injury or poisoning semantic type. Payers list this code alongside initial encounter and sequela variants for rectal injuries. 1 3

Plain-language overview

The diagnosis code S36.63XD represents a laceration of the rectum during a subsequent encounter, providing a standardized way to classify this specific injury for active medical records. 1

What this code represents

Code S36.63XD is a child of the parent concept S36.63 for rectal laceration, and the terminology assigns it the semantic type of injury or poisoning within the ICD-10-CM version 2026. 1

Coding details

The code S36.63XD is listed alongside related variants including S36.63XA for the initial encounter and S36.63XS for sequela, distinguishing the phase of care for a rectal laceration. 3 4

Additional related codes in the injury of rectum category include S36.62XD for contusion, S36.61XD for primary blast injury, and S36.69XD for other injuries of the rectum during subsequent encounters. 4

Documentation considerations

The official terminology record for S36.63XD specifies the preferred name as laceration of rectum, subsequent encounter, and classifies the concept with the semantic type of injury or poisoning. 1

Coverage and utilization context

A Medicare billing and coding article for procedures like colonoscopy includes S36.63XD in a list of diagnosis codes, establishing its use within administrative billing specifications. 3

What the sources add

While the terminology record defines the code structure, a clinical practice guideline from surgical societies addresses care for rectal conditions, noting enhanced recovery programs are associated with lower complication rates. 1 2

The clinical guideline source adds that studies involving rectal surgery patients indicate nonsteroidal anti-inflammatory drugs like diclofenac may increase the risk of anastomotic leak in a molecule-specific manner. 2

Questions to verify

The supplied sources do not establish the specific clinical causes of a rectal laceration, the exact symptoms a patient experiences, or the particular treatment protocols applied during the subsequent encounter. 1 2 3

Sources

1. ICD-10-CM S36.63XD terminology record — National Cancer Institute Enterprise Vocabulary Services; accessed 2026-07-27.
2. Clinical practice guidelines for enhanced recovery after colon and rectal surgery from the American Society of Colon and Rectal Surgeons and the Society of American Gastrointestinal and Endoscopic Surgeons — pmc.ncbi.nlm.nih.gov; accessed 2026-07-27.
3. Article - Billing and Coding: Colonoscopy/Sigmoidoscopy/Proctosigmoidoscopy (A56632) — cms.gov; accessed 2026-07-27.
4. ICD-10-CM 2024 | S36.6 - Injury of rectum — unboundmedicine.com; accessed 2026-07-27.