ICD-10-CM Codes
S00-T88
S30-S39
S31-
2023 ICD-10-CM Diagnosis Code S31

2023 ICD-10-CM Diagnosis Code S31

Open wound of abdomen, lower back, pelvis and external genitals

2016

2017

2018

2019

2020

2021

2022

2023

Non-Billable/Non-Specific Code

S31 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
Short description: Opn wnd abdomen, lower back, pelvis and external genitals
The 2023 edition of ICD-10-CM S31 became effective on October 1, 2022.
This is the American ICD-10-CM version of S31 - other international versions of ICD-10 S31 may differ.

Code Also

Code Also Help

A code also note instructs that 2 codes may be required to fully describe a condition but the sequencing of the two codes is discretionary, depending on the severity of the conditions and the reason for the encounter.

any associated:
spinal cord injury (
ICD-10-CM Diagnosis Code S24.0
Concussion and edema of thoracic spinal cord
S24.0
,
ICD-10-CM Diagnosis Code S24.1
Other and unspecified injuries of thoracic spinal cord
S24.1-
,
ICD-10-CM Diagnosis Code S34.0
Concussion and edema of lumbar and sacral spinal cord
S34.0-
,
ICD-10-CM Diagnosis Code S34.1
Other and unspecified injury of lumbar and sacral spinal cord
S34.1-
)
wound infection

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as S31. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

traumatic amputation of part of abdomen, lower back and pelvis (
ICD-10-CM Diagnosis Code S38.2
Traumatic amputation of external genital organs
S38.2-
,
ICD-10-CM Diagnosis Code S38.3
Transection (partial) of abdomen
S38.3
)

Type 2 Excludes

Type 2 Excludes Help

A type 2 excludes note represents "not included here". A type 2 excludes note indicates that the condition excluded is not part of the condition it is excluded from but a patient may have both conditions at the same time. When a type 2 excludes note appears under a code it is acceptable to use both the code (S31) and the excluded code together.

open wound of hip (
ICD-10-CM Diagnosis Code S71.00
Unspecified open wound of hip
S71.00-
ICD-10-CM Diagnosis Code S71.02
Laceration with foreign body of hip
S71.02
)
open fracture of pelvis (
ICD-10-CM Diagnosis Code S32.1
Fracture of sacrum
Applicable To
- For vertical fractures, code to most medial fracture extension
- Use two codes if both a vertical and transverse fracture are present
Code Also
- any associated fracture of pelvic ring (S32.8-)
S32.1-
-
ICD-10-CM Diagnosis Code S32.9
Fracture of unspecified parts of lumbosacral spine and pelvis
Applicable To
- Fracture of lumbosacral spine NOS
- Fracture of pelvis NOS
S32.9
with 7th character B)

The following code(s) above S31 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to S31:

S00-T88
2023 ICD-10-CM Range S00-T88
Injury, poisoning and certain other consequences of external causes
Note
- 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
Type 1 Excludes
- birth trauma (P10-P15)
- obstetric trauma (O70-O71)
Use Additional
- code to identify any retained foreign body, if applicable (Z18.-)
Injury, poisoning and certain other consequences of external causes
S30-S39
2023 ICD-10-CM Range S30-S39
Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
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
Type 2 Excludes
- 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)
Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change
2022 (effective 10/1/2021): No change
2023 (effective 10/1/2022): No change

Code annotations containing back-references to S31:

Code Also: S36
, S37
, S39
, S33.1
, S34
, S35

ICD-10-CM Diagnosis Code S36
Injury of intra-abdominal organs
Code Also
- any associated open wound (S31.-)
ICD-10-CM Diagnosis Code S37
Injury of urinary and pelvic organs
Code Also
- any associated open wound (S31.-)
Type 1 Excludes
- obstetric trauma to pelvic organs (O71.-)
Type 2 Excludes
- injury of peritoneum (S36.81)
- injury of retroperitoneum (S36.89-)
ICD-10-CM Diagnosis Code S39
Other and unspecified injuries of abdomen, lower back, pelvis and external genitals
Code Also
- any associated open wound (S31.-)
Type 2 Excludes
- sprain of joints and ligaments of lumbar spine and pelvis (S33.-)
ICD-10-CM Diagnosis Code S33.1
Subluxation and dislocation of lumbar vertebra
Code Also
- any associated:
- open wound of abdomen, lower back and pelvis (S31)
- spinal cord injury (S24.0, S24.1-, S34.0-, S34.1-)
Type 2 Excludes
- fracture of lumbar vertebrae (S32.0-)
ICD-10-CM Diagnosis Code S34
Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level
Code Also
- any associated:
- fracture of vertebra (S22.0-, S32.0-)
- open wound of abdomen, lower back and pelvis (S31.-)
- transient paralysis (R29.5)
Note
- Code to highest level of lumbar cord injury
- Injuries to the spinal cord (S34.0 and S34.1) refer to the cord level and not bone level injury, and can affect nerve roots at and below the level given.
ICD-10-CM Diagnosis Code S35
Injury of blood vessels at abdomen, lower back and pelvis level
Code Also
- any associated open wound (S31.-)
Use Additional: S38.1

ICD-10-CM Diagnosis Code S38.1
Crushing injury of abdomen, lower back, and pelvis
Type 2 Excludes
- crushing injury of external genital organs (S38.0-)
Use Additional
- code for all associated injuries, such as:
- fracture of thoracic or lumbar spine and pelvis (S22.0-, S32.-)
- injury to intra-abdominal organs (S36.-)
- injury to urinary and pelvic organs (S37.-)
- open wound of abdominal wall (S31.-)
- spinal cord injury (S34.0, S34.1-)

ICD-10-CM Codes Adjacent To S31

S30.96XD …… subsequent encounter

S30.96XS …… sequela

S30.97 Unspecified superficial injury of unspecified external genital organs, female

S30.97XA …… initial encounter

S30.97XD …… subsequent encounter

S30.97XS …… sequela

S30.98 Unspecified superficial injury of anus

S30.98XA …… initial encounter

S30.98XD …… subsequent encounter

S30.98XS …… sequela

S31 Open wound of abdomen, lower back, pelvis and external genitals

S31.0 Open wound of lower back and pelvis

S31.00 Unspecified open wound of lower back and pelvis

S31.000 Unspecified open wound of lower back and pelvis without penetration into retroperitoneum

S31.000A …… initial encounter

S31.000D …… subsequent encounter

S31.000S …… sequela

S31.001 Unspecified open wound of lower back and pelvis with penetration into retroperitoneum

S31.001A …… initial encounter

S31.001D …… subsequent encounter

S31.001S …… sequela

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2023 ICD-10-CM Diagnosis Code S31

Open wound of abdomen, lower back, pelvis and external genitals

Concussion and edema of thoracic spinal cord

Other and unspecified injuries of thoracic spinal cord

Concussion and edema of lumbar and sacral spinal cord

Other and unspecified injury of lumbar and sacral spinal cord

Traumatic amputation of external genital organs

Transection (partial) of abdomen

Unspecified open wound of hip

Laceration with foreign body of hip

Fracture of sacrum

Fracture of unspecified parts of lumbosacral spine and pelvis

Injury, poisoning and certain other consequences of external causes

Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals

Injury of intra-abdominal organs

Injury of urinary and pelvic organs

Other and unspecified injuries of abdomen, lower back, pelvis and external genitals

Subluxation and dislocation of lumbar vertebra

Injury of lumbar and sacral spinal cord and nerves at abdomen, lower back and pelvis level

Injury of blood vessels at abdomen, lower back and pelvis level

Crushing injury of abdomen, lower back, and pelvis