ICDcodes.org
FY2027

K58Irritable bowel syndrome

Not billable

Is K58 billable?

No — K58 is a non-billable header code. K58 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 5 billable codes beneath K58.

K58 at a glance

CodeK58
DescriptionIrritable bowel syndrome
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Includes

Conditions classified to K58.

  • irritable colon
  • spastic colon

Excludes2 — not included here — inherited from Chapter 11

The conditions below are not part of K58, but a patient may have both at the same time. When documentation supports it, K58 and the excluded code may both be reported.

  • 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)

What codes fall under K58? (5)

How long has K58 existed?

K58 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

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