Version 2024

2024 ICD-10-CM Diagnosis Code S31.609

Unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity

ICD-10-CM Code:: S31.609
ICD-10 Code for:: Unsp open wound of abd wall, unsp quadrant w penet perit cav
Is Billable?: Not Valid for Submission
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Code Information
Specific Coding
Approximate Synonyms
Coding Guidelines
Tabular List of Diseases and Injuries
Index to Diseases and Injuries References
Patient Education
Other Codes Used Similar Conditions
Code History

Code Classification

Injury, poisoning and certain other consequences of external causes
(S00–T88)
- Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals
  (S30-S39)
  - Open wound of abdomen, lower back, pelvis and external genitals
    (S31)

S31.609 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of unspecified open wound of abdominal wall, unspecified quadrant with penetration into peritoneal cavity. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Unspecified diagnosis codes like S31.609 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Specific Coding Applicable to Unsp open wound of abd wall, unsp quadrant w penet perit cav

Non-specific codes like S31.609 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for unsp open wound of abd wall, unsp quadrant w penet perit cav:

Use S31.609A for initial encounter - BILLABLE CODE
Use S31.609D for subsequent encounter - BILLABLE CODE
Use S31.609S for sequela - BILLABLE CODE

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Bile duct injury with open wound into cavity
Bladder and urethra injury with open wound into cavity
Capsular tear of spleen
Capsular tear without major disruption of parenchyma of spleen AND with open wound in abdominal cavity
Complete disruption of kidney parenchyma with open wound into cavity
Contusion of liver
Crushing injury of abdomen
Fallopian tube injury with open wound into cavity
Gunshot wound of abdomen region
Hematoma and contusion of liver
Hematoma AND contusion of liver with open wound into abdominal cavity
Hematoma of kidney
Hematoma of kidney
Hematoma of kidney without rupture of capsule AND with open wound into abdominal cavity
Hematoma of spleen with open wound into abdominal cavity
Hemorrhage of kidney
Hemorrhage of kidney
Injury of adrenal gland
Injury of adrenal gland with open wound into abdominal cavity
Injury of ascending colon
Injury of ascending right colon with open wound into abdominal cavity
Injury of bile duct
Injury of bladder and urethra
Injury of colon with open wound into abdominal cavity
Injury of colon with open wound into abdominal cavity
Injury of colon with open wound into abdominal cavity
Injury of colon with open wound into abdominal cavity
Injury of colon with open wound into abdominal cavity
Injury of descending colon
Injury of descending left colon with open wound into abdominal cavity
Injury of duodenum with open wound into abdominal cavity
Injury of gallbladder with open wound into abdominal cavity
Injury of gastrointestinal tract with open wound into abdominal cavity
Injury of head of pancreas with open wound into abdominal cavity
Injury of intestine with open wound into abdominal cavity
Injury of kidney with open wound into abdominal cavity
Injury of kidney with open wound into abdominal cavity
Injury of kidney with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of liver with open wound into abdominal cavity
Injury of multiple intra-abdominal organs with open wound into abdominal cavity
Injury of multiple intra-abdominal organs with open wound into abdominal cavity
Injury of multiple intra-abdominal organs with open wound into abdominal cavity
Injury of multiple intra-abdominal organs with open wound into abdominal cavity
Injury of multiple intra-abdominal organs with open wound into abdominal cavity
Injury of multiple pelvic organs
Injury of multiple pelvic organs with open wound into cavity
Injury of multiple sites of colon and/or rectum with open wound into abdominal cavity
Injury of multiple sites of pancreas with open wound into abdominal cavity
Injury of ovary with open wound into abdominal cavity
Injury of prostate
Injury of prostate with open wound into abdominal cavity
Injury of seminal vesicle
Injury of seminal vesicle with open wound into abdominal cavity
Injury of sigmoid colon
Injury of sigmoid colon with open wound into abdominal cavity
Injury of small intestine with open wound into abdominal cavity
Injury of small intestine with open wound into abdominal cavity
Injury of spermatic cord
Injury of spleen with open wound into abdominal cavity
Injury of spleen with open wound into abdominal cavity
Injury of spleen with open wound into abdominal cavity
Injury of spleen with open wound into abdominal cavity
Injury of stomach with open wound into abdominal cavity
Injury of transverse colon
Injury of transverse colon with open wound into abdominal cavity
Injury of ureter with open wound into abdominal cavity
Injury of uterus with open wound into abdominal cavity
Injury of vas deferens
Injury of vas deferens with open wound into abdominal cavity
Internal injury of abdominal organs with open wound into cavity
Kidney hematoma without rupture of capsule, with open wound into cavity
Laceration extending into parenchyma of spleen with open wound into abdominal cavity
Laceration of kidney
Laceration of kidney with open wound into abdominal cavity
Laceration of liver with open wound into abdominal cavity
Laceration of liver with open wound into abdominal cavity
Laceration of liver with open wound into abdominal cavity
Laceration of liver with open wound into abdominal cavity
Laceration of liver with open wound into abdominal cavity
Laceration of liver with open wound into abdominal cavity
Laceration of parenchyma of spleen
Laceration of spleen
Laceration of spleen
Liver hematoma
Liver moderate laceration with open wound into cavity
Major laceration of liver with open wound into abdominal cavity
Massive parenchymal disruption of spleen with open wound into abdominal cavity
Minor laceration of liver with open wound into abdominal cavity
Moderate laceration of liver with open wound into abdominal cavity
Multiple injuries of digestive system
Multiple injuries of digestive system
Multiple injuries of digestive system
Multiple injuries of intestine
Multiple injuries of intestine
Multiple injuries of pelvis
Multiple injuries to colon or rectum with open wound into cavity
Multiple open fractures of pelvis with disruption of pelvic circle
Open injury of bladder
Open injury of kidney
Open injury of kidney
Open injury of kidney
Open injury of kidney
Open injury of kidney
Open injury of kidney
Open injury of kidney grade I
Open injury of kidney grade II
Open injury of kidney grade III
Open injury of kidney grade IV
Open injury of kidney grade V
Open injury of spleen
Open injury of spleen
Open injury of spleen
Open injury of uterus
Pancreas body injury with open wound into cavity
Pelvic organ injury with open wound into abdominal cavity
Pelvic organ injury with open wound into abdominal cavity
Pelvic organ injury with open wound into abdominal cavity
Pelvic organ injury with open wound into abdominal cavity
Pelvic organ injury with open wound into abdominal cavity
Pelvic organ injury with open wound into abdominal cavity
Penetrating wound of abdomen
Peritoneum injury with open wound into cavity
Retroperitoneal hematoma
Retroperitoneal hematoma
Retroperitoneum injury with open wound into cavity
Retroperitoneum injury with open wound into cavity
Retroperitoneum injury with open wound into cavity
Retroperitoneum injury with open wound into cavity
Retroperitoneum injury with open wound into cavity
Retroperitoneum injury with open wound into cavity
Retroperitoneum injury with open wound into cavity
Retroperitoneum injury with open wound into cavity
Severe crushing injury of abdominal organs
Severe crushing injury of abdominal organs with open wound into cavity
Spleen injury with hematoma without rupture of capsule, with open wound into cavity
Splenic hematoma
Splenic hematoma
Splenic hemorrhage
Splenic hemorrhage
Stellate laceration of liver with open wound into abdominal cavity
Traumatic hematuria
Traumatic hematuria
Traumatic hemorrhage of liver
Traumatic injury of body of pancreas
Traumatic injury of head of pancreas

Coding Guidelines

The appropriate 7th character is to be added to each code from block Open wound of abdomen, lower back, pelvis and external genitals (S31). Use the following options for the aplicable episode of care:

A - initial encounter
D - subsequent encounter
S - sequela

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

- Wound, open - T14.8
- - abdomen, abdominal
  - - wall - S31.109
    - - with penetration into peritoneal cavity - S31.609

Patient Education

Wounds and Injuries

An injury is damage to your body. It is a general term that refers to harm caused by accidents, falls, hits, weapons, and more. In the U.S., millions of people injure themselves every year. These injuries range from minor to life-threatening. Injuries can happen at work or play, indoors or outdoors, driving a car, or walking across the street.

Wounds are injuries that break the skin or other body tissues. They include cuts, scrapes, scratches, and punctured skin. They often happen because of an accident, but surgery, sutures, and stitches also cause wounds. Minor wounds usually aren't serious, but it is important to clean them. Serious and infected wounds may require first aid followed by a visit to your doctor. You should also seek attention if the wound is deep, you cannot close it yourself, you cannot stop the bleeding or get the dirt out, or it does not heal.

Other common types of injuries include:

Animal bites
Bruises
Burns
Dislocations
Electrical injuries
Fractures (broken bones)
Sprains and strains

[Learn More in MedlinePlus]

Other ICD-10-CM Codes Commonly Used for Similar Conditions

Filter related codes list:

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 Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, initial encounter.
S31.000D Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, subsequent encounter.
S31.000S Unspecified open wound of lower back and pelvis without penetration into retroperitoneum, sequela.
S31.001 Unspecified open wound of lower back and pelvis with penetration into retroperitoneum.
S31.001A Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, initial encounter.
S31.001D Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, subsequent encounter.
S31.001S Unspecified open wound of lower back and pelvis with penetration into retroperitoneum, sequela.
S31.01 Laceration without foreign body of lower back and pelvis.
S31.010 Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum.
S31.010A Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter.
S31.010D Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter.
S31.010S Laceration without foreign body of lower back and pelvis without penetration into retroperitoneum, sequela.
S31.011 Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum.
S31.011A Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter.
S31.011D Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter.
S31.011S Laceration without foreign body of lower back and pelvis with penetration into retroperitoneum, sequela.
S31.02 Laceration with foreign body of lower back and pelvis.
S31.020 Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum.
S31.020A Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter.
S31.020D Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter.
S31.020S Laceration with foreign body of lower back and pelvis without penetration into retroperitoneum, sequela.
S31.021 Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum.
S31.021A Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter.
S31.021D Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter.
S31.021S Laceration with foreign body of lower back and pelvis with penetration into retroperitoneum, sequela.
S31.03 Puncture wound without foreign body of lower back and pelvis.
S31.030 Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum.
S31.030A Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter.
S31.030D Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter.
S31.030S Puncture wound without foreign body of lower back and pelvis without penetration into retroperitoneum, sequela.
S31.031 Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum.
S31.031A Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter.
S31.031D Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter.
S31.031S Puncture wound without foreign body of lower back and pelvis with penetration into retroperitoneum, sequela.
S31.04 Puncture wound with foreign body of lower back and pelvis.
S31.040 Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum.
S31.040A Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, initial encounter.
S31.040D Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, subsequent encounter.
S31.040S Puncture wound with foreign body of lower back and pelvis without penetration into retroperitoneum, sequela.
S31.041 Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum.
S31.041A Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, initial encounter.
S31.041D Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, subsequent encounter.
S31.041S Puncture wound with foreign body of lower back and pelvis with penetration into retroperitoneum, sequela.
S31.05 Open bite of lower back and pelvis.
S31.050 Open bite of lower back and pelvis without penetration into retroperitoneum.
S31.050A Open bite of lower back and pelvis without penetration into retroperitoneum, initial encounter.
S31.050D Open bite of lower back and pelvis without penetration into retroperitoneum, subsequent encounter.

Code History

FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.