S37.1 – Injury of ureter

ICD-10-CM 2027 diagnosis code · Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals

Non-billable header

ICD-10-CM code S37.1

Code: S37.1 (claims format: S371)
Description: Injury of ureter
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 19. Injury, poisoning and certain other consequences of external causes (S00-T88)
Block: S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
Parent codes: S37

Billable codes under S37.1

S37.1 is a header code and cannot be used on claims. Choose the most specific code:

S37.10 – Unspecified injury of ureterHeader (more codes below)
S37.12 – Contusion of ureterHeader (more codes below)
S37.13 – Laceration of ureterHeader (more codes below)
S37.19 – Other injury of ureterHeader (more codes below)

7th character values

Codes in this category need a 7th character to describe the encounter or episode of care (use placeholder X for empty positions).

Character	Meaning
`A`	initial encounter
`D`	subsequent encounter
`S`	sequela

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

S37 – Injury of urinary and pelvic organs

Excludes1 (not coded here):

obstetric trauma to pelvic organs (O71.-)

Excludes2 (not included here):

injury of peritoneum (S36.81)
injury of retroperitoneum (S36.89-)

Code also:

any associated open wound (S31.-)

7th character note:

The appropriate 7th character is to be added to each code from category S37

Block S30-S39

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

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)

Related codes in S37

S37.0 – Injury of kidneyHeader
S37.2 – Injury of bladderHeader
S37.3 – Injury of urethraHeader
S37.4 – Injury of ovaryHeader
S37.5 – Injury of fallopian tubeHeader
S37.6 – Injury of uterusHeader
S37.8 – Injury of other urinary and pelvic organsHeader
S37.9 – Injury of unspecified urinary and pelvic organHeader

Frequently asked questions

What is ICD-10 code S37.1?

S37.1 is the ICD-10-CM code for injury of ureter, in the block S30-S39 (Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals).

Is S37.1 a billable code?

No. S37.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does S37.1 belong to?

It belongs to category S37 – Injury of urinary and pelvic organs.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.