ICDcodes.org
FY2027

K31.A13 — Gastric intestinal metaplasia without dysplasia, involving the fundus

Billable

Is K31.A13 billable?

Yes — K31.A13 is billable for FY2027. K31.A13 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. K31.A13 may be submitted for encounters from October 1, 2026 through September 30, 2027.

K31.A13 at a glance

CodeK31.A13
DescriptionGastric intestinal metaplasia without dysplasia, involving the fundus
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does K31.A13 group to?

K31.A13 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 K31.A13 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to K31.A13. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Metaplasia › gastric intestinal › without dysplasia › involving › fundus

Excludes2 — not included here — inherited from Chapter 11

The conditions below are not part of K31.A13, but a patient may have both at the same time. When documentation supports it, K31.A13 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)

Excludes2 — not included here — inherited from K20-K31

The conditions below are not part of K31.A13, but a patient may have both at the same time. When documentation supports it, K31.A13 and the excluded code may both be reported.

Excludes2 — not included here — inherited from K31

The conditions below are not part of K31.A13, but a patient may have both at the same time. When documentation supports it, K31.A13 and the excluded code may both be reported.

How long has K31.A13 existed?

K31.A13 first appears in FY2022.

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

What other codes are in the K31.A1 family? (5)