2027 ICD-10-CM Diagnosis Code K68Disorders of retroperitoneum

ICD-10-CM Codes›K00–K95›K65-K6A›K68

ICD-10-CM K68
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

K68 is a non-billable ICD-10-CM category code for disorders of retroperitoneum, so it cannot be submitted on claims. Use a more specific code from this category instead, such as K68.11, K68.12, K68.19, and K68.2.

Code Identity

ICD-10-CM Code
K68
Billable Status
No — Non-Billable Category
Code Describes
Disorders of retroperitoneum
Short Description
Disorders of retroperitoneum
Same as the full description in the CMS dataset.
Chapter
K65-K6A
Diseases of peritoneum and retroperitoneum

Code Classification

ChapterK00–K95Diseases of the digestive system
SectionK65-K6ADiseases of peritoneum and retroperitoneum
CategoryK68Disorders of retroperitoneum
This CodeK68Disorders of retroperitoneum

Specific Coding for Disorders of retroperitoneumOverview

Non-specific codes like K68 require more characters. Use one of these billable codes instead:

  • K68.1 for Retroperitoneal abscess

  • Use K68.11 for Postprocedural retroperitoneal abscess

  • Use K68.12 for Psoas muscle abscess

  • Use K68.19 for Other retroperitoneal abscess

  • Use K68.2 for Retroperitoneal fibrosis

  • Use K68.3 for Retroperitoneal hematoma

  • Use K68.9 for Other disorders of retroperitoneum

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to K68: its own notes plus those printed at Chapter 11. A note printed at a category, block or chapter applies to every code under it.

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 11 (K00-K95) Diseases of the digestive system applies to 863 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name K68, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming K68: they are not reported together with it, unless the two conditions are unrelated.

  • K65 Peritonitis
    retroperitoneal infections (K68.-)

Patient EducationClinical

Peritoneal Disorders

Your peritoneum is the tissue that lines your abdominal wall and covers most of the organs in your abdomen. A liquid, peritoneal fluid, lubricates the surface of this tissue.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About K68Overview

What is the ICD-10 code for disorders of retroperitoneum?

K68 is the ICD-10-CM category for disorders of retroperitoneum, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is K68 (Disorders of retroperitoneum) a billable code?

No. This is a category header that groups the codes for disorders of retroperitoneum, and headers cannot be submitted on claims. Claims for disorders of retroperitoneum need a more specific code from this category, such as K68.11, K68.12, and K68.19.