Coding and coverage · ICD-10-CM

S37 › S37.0

S37.00 Unspecified injury of kidney

Not billable (header)Chapter 19

This code needs a 7th character (use X as a placeholder for missing characters).

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Codes under this one

  • S37.001 Unspecified injury of right kidneyHeader
  • S37.002 Unspecified injury of left kidneyHeader
  • S37.009 Unspecified injury of unspecified kidneyHeader

Instructional notes

Chapter 19

Excludes2Not included here: the patient may have both; report both when both are present.
Use additional codeAdd a second code for the full picture.
  • code to identify any retained foreign body, if applicable (Z18.-)
Notes
  • Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
  • The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.

Section S30-S39

Excludes2Not included here: the patient may have both; report both when both are present.
  • 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

S37

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • obstetric trauma to pelvic organs (O71.-)
Excludes2Not included here: the patient may have both; report both when both are present.
Code also
  • any associated open wound (S31.-)
7th charactersThe appropriate 7th character is to be added to each code from category S37
  • A initial encounter
  • D subsequent encounter
  • S sequela

S37.0

Excludes2Not included here: the patient may have both; report both when both are present.
  • acute kidney injury (nontraumatic) (N17.9)

Chapter 19: Injury, poisoning and certain other consequences of external causes · S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.