K31.A1 — Gastric intestinal metaplasia without dysplasia
Is K31.A1 billable?
No — K31.A1 is a non-billable header code. K31.A1 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 6 billable codes beneath K31.A1.
Billable codes under this header
- K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrum
- K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
- K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundus
- K31.A14Gastric intestinal metaplasia without dysplasia, involving the cardia
- K31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sites
- K31.A19Gastric intestinal metaplasia without dysplasia, unspecified site
K31.A1 at a glance
| Code | K31.A1 |
|---|---|
| Description | Gastric intestinal metaplasia without dysplasia |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes2 — not included here — inherited from Chapter 11
The conditions below are not part of K31.A1, but a patient may have both at the same time. When documentation supports it, K31.A1 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.A1, but a patient may have both at the same time. When documentation supports it, K31.A1 and the excluded code may both be reported.
- hiatus hernia (K44.-)
Excludes2 — not included here — inherited from K31
The conditions below are not part of K31.A1, but a patient may have both at the same time. When documentation supports it, K31.A1 and the excluded code may both be reported.
What codes fall under K31.A1? (6)
- K31.A11Gastric intestinal metaplasia without dysplasia, involving the antrum
- K31.A12Gastric intestinal metaplasia without dysplasia, involving the body (corpus)
- K31.A13Gastric intestinal metaplasia without dysplasia, involving the fundus
- K31.A14Gastric intestinal metaplasia without dysplasia, involving the cardia
- K31.A15Gastric intestinal metaplasia without dysplasia, involving multiple sites
- K31.A19Gastric intestinal metaplasia without dysplasia, unspecified site
How long has K31.A1 existed?
K31.A1 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.