ICDcodes.org
FY2027

S31.65A — Open bite of abdominal wall, unspecified flank with penetration into peritoneal cavity

Not billable

Is S31.65A billable?

No — S31.65A is a non-billable header code. S31.65A groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 3 billable codes beneath S31.65A.

S31.65A at a glance

CodeS31.65A
DescriptionOpen bite of abdominal wall, unspecified flank with penetration into peritoneal cavity
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

How is S31.65A listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to S31.65A. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Bite › flank › with penetration into peritoneal cavity (s) (animal) (human)

Inclusion terms

Alternative wording in documentation that is classified to S31.65A.

  • Open bite of abdominal wall, flank NOS, with penetration into peritoneal cavity

Excludes1 — never code together — inherited from S31

The conditions below can never be reported together with S31.65A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • traumatic amputation of part of abdomen, lower back and pelvis (S38.2-, S38.3)

Excludes1 — never code together — inherited from S31.65

The conditions below can never be reported together with S31.65A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Use additional code — inherited from Chapter 19

Report an additional code alongside S31.65A to fully describe the condition. S31.65A is sequenced first.

  • code to identify any retained foreign body, if applicable (Z18.-)

Excludes2 — not included here — inherited from Chapter 19

The conditions below are not part of S31.65A, but a patient may have both at the same time. When documentation supports it, S31.65A and the excluded code may both be reported.

  • birth trauma (P10-P15)
  • obstetric trauma (O70-O71)

Excludes2 — not included here — inherited from S30-S39

The conditions below are not part of S31.65A, but a patient may have both at the same time. When documentation supports it, S31.65A and the excluded code may both be reported.

  • 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)

Excludes2 — not included here — inherited from S31

The conditions below are not part of S31.65A, but a patient may have both at the same time. When documentation supports it, S31.65A and the excluded code may both be reported.

  • open wound of hip (S71.00-S71.02)
  • open fracture of pelvis (S32.1--S32.9 with 7th character B)

Code also — inherited from S31

Two codes may be needed to describe the condition fully. Whether S31.65A is sequenced first depends on the reason for the encounter.

What codes fall under S31.65A? (3)

How long has S31.65A existed?

S31.65A first appears in FY2026.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

What other codes are in the S31.65 family? (9)