Contusion of flank (latus) region, initial encounter

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2026 onwards.

What has happened to this code

Every change the publisher made, from 2026 to now.

FY2026 Added to the code set Contusion of flank (latus) region, initial encounter

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from S30 Superficial injury of abdomen, lower back, pelvis and external genitals

Seventh character required

The appropriate 7th character is to be added to each code from category S30

Excludes2 - not included here

superficial injury of hip (S70.-)

Inherited from the S30-S39 section Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)

Excludes2 - not included here

burns and corrosions (T20-T32)
effects of foreign body in anus and rectum (T18.5)
effects of foreign body in genitourinary tract (T19.-)
effects of foreign body in stomach, small intestine and colon (T18.2-T18.4)
frostbite (T33-T34)
insect bite or sting, venomous (T63.4)

Includes

injuries to the abdominal wall
injuries to the anus
injuries to the buttock
injuries to the external genitalia
injuries to the flank
injuries to the groin

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Contusion > flank region

Codes in the same group

Code	Description	Status
S30.13XD	Contusion of flank (latus) region, subsequent encounter	Valid
S30.13XS	Contusion of flank (latus) region, sequela	Valid