ICD-10-CM › K00-K95 › K65-K6A › K65 Peritonitis › K65.1
Peritoneal abscess
ValidICD-10-CM diagnosis code.
Valid for claims with a date of service in the current code year.
What has happened to this code
Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.
- FY2007 Added to the draft code set draft Peritoneal abscess
Official coding rules
Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.
Inherited from K65 Peritonitis
Excludes1 - never coded here
- acute appendicitis with generalized peritonitis (K35.2-)
- aseptic peritonitis (T81.6)
- benign paroxysmal peritonitis (E85.0)
- chemical peritonitis (T81.6)
- gonococcal peritonitis (A54.85)
- neonatal peritonitis (P78.0-P78.1)
- pelvic peritonitis, female (N73.3-N73.5)
- periodic familial peritonitis (E85.0)
- peritonitis due to talc or other foreign substance (T81.6)
- peritonitis in chlamydia (A74.81)
- peritonitis in diphtheria (A36.89)
- peritonitis in syphilis (late) (A52.74)
- peritonitis in tuberculosis (A18.31)
- peritonitis with or following abortion or ectopic or molar pregnancy (O00-O07, O08.0)
- peritonitis with or following appendicitis (K35.-)
- puerperal peritonitis (O85)
- retroperitoneal infections (K68.-)
Use additional code
- code (B95-B97), to identify infectious agent, if known
Code also
- if applicable diverticular disease of intestine (K57.-)
How CDC's index refers to this code
Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.
- Omentitis
- Epiploitis
- Carbunculus
- Enteroperitonitis
- Abscess > cul-de-sac
- Irritation > peritoneum
- Abscess > intra-abdominal
- Abscess > pouch of Douglas
- Abscess > Douglas' cul-de-sac or pouch
- Bacterium, bacteria, bacterial > in blood
- Abscess > extraperitoneal > meaning pelvic
- Infection, infected, infective > peritoneal
- Inflammation, inflamed, inflammatory > peritoneum
- Inflammation, inflamed, inflammatory > retroperitoneal
- Abscess > omentum
- Abscess > retrocecal
- Abscess > subhepatic
- Abscess > subphrenic
- Abscess > abdominopelvic
- Sepsis > intra-abdominal
- Abscess > intra-abdominal
- Abscess > intraperitoneal
- Abscess > subdiaphragmatic
- Abscess > epiploon, epiploic
- Abscess > mesentery, mesenteric
- Abscess > peritoneum, peritoneal
- Abscess > diaphragm, diaphragmatic
- Abscess > abdomen, abdominal > cavity
- Peritonitis > with or following > abscess
- Abscess > pelvis, pelvic > male > peritoneal
- Abscess > pelvis, pelvic > female - > peritoneal
- Abscess > peritoneum, peritoneal > pelvic > male
Codes in the same group
| Code | Description | Status |
|---|---|---|
| K65.0 | Generalized (acute) peritonitis | Valid |
| K65.2 | Spontaneous bacterial peritonitis | Valid |
| K65.3 | Choleperitonitis | Valid |
| K65.4 | Sclerosing mesenteritis | Valid |
| K65.8 | Other peritonitis | Valid |
| K65.9 | Peritonitis, unspecified | Valid |