ICDcodes.org
FY2027

K52.839Microscopic colitis, unspecified

BillableUnspecified

Is K52.839 billable?

Yes, but K52.839 is an unspecified code. K52.839 is a valid, billable ICD-10-CM code for encounters from October 1, 2026 through September 30, 2027. However, K52.839 is an unspecified or catch-all code. Payers apply additional scrutiny to unspecified codes and many deny them when the medical record supports a more specific option, so check the documentation before selecting K52.839 — the more specific alternatives are listed below.

K52.839 at a glance

CodeK52.839
DescriptionMicroscopic colitis, unspecified
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does K52.839 group to?

K52.839 sits in MDC 06 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 391Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders with MCCmedical
  • 392Esophagitis, Gastroenteritis and Miscellaneous Digestive Disorders without MCCmedical

How is K52.839 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to K52.839. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Colitismicroscopic (acute) (catarrhal) (chronic) (noninfective) (hemorrhagic)

Excludes1 — never code together — inherited from K50-K52

The conditions below can never be reported together with K52.839 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

Excludes2 — not included here — inherited from Chapter 11

The conditions below are not part of K52.839, but a patient may have both at the same time. When documentation supports it, K52.839 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)

How long has K52.839 existed?

K52.839 first appears in FY2018 (FY2017 is not available, so it may have appeared then).

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

Which conditions are coded to K52.839?

What other codes are in the K52.83 family? (3)