ICD-10-CM Tabular Index · Chapter 11 · FY 2027 K68

Disorders of retroperitoneum (K68) ICD-10-CM

The K68 code range covers disorders of retroperitoneum with 8 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.

✓ Built from the official CMS FY 2027 datasetEffective Oct 1, 2026 – Sep 30, 2027
8
Diagnosis Codes
6
Billable Codes
K68
Code Range
K65–K6A
Parent Section
ICD-10-CM

Codes in the K68 Range 8 codes · 6 billable

8 of 8 shown
  • K68 Disorders of retroperitoneumNon-billable
  • K68.1 Retroperitoneal abscessNon-billable
  • K68.11 Postprocedural retroperitoneal abscess
  • K68.12 Psoas muscle abscess
  • K68.19 Other retroperitoneal abscess
  • K68.2 Retroperitoneal fibrosis
  • K68.3 Retroperitoneal hematoma
  • K68.9 Other disorders of retroperitoneum

Clinical Terms in This Code Range

Definitions from the National Library of Medicine for conditions coded in the K68 range.

Retroperitoneal Abscess

An abscess that is located in the abdominal cavity posterior to the peritoneum.

Retroperitoneal Fibrosis

A slowly progressive condition of unknown etiology, characterized by deposition of fibrous tissue in the retroperitoneal space compressing the ureters, great vessels, bile duct, and other structures. When associated with abdominal aortic aneurysm, it may be called chronic periaortitis or inflammatory perianeurysmal fibrosis.

About the K68 Code Range

Disorders of the retroperitoneum include abscesses, fibrosis, hematomas, and other conditions.

Within K68, abscesses are grouped under K68.1. Its subdivisions distinguish postprocedural abscesses (K68.11), psoas muscle abscesses (K68.12), and other retroperitoneal abscesses (K68.19). Separate subdivisions identify fibrosis (K68.2), hematoma (K68.3), and other disorders (K68.9).

Questions About This Page

How many billable codes are in the K68 range?

Of the 8 codes in this range, 6 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.

What does the K68 range classify?

The range classifies disorders of retroperitoneum. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.

Related References

Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.