AutoICD API

K26

Non-billable

Duodenal ulcer

Duodenal ulcer

This is a header/category code. For billing purposes, use a more specific child code from the list below.

Status

Non-billable / Header

Block

K20-K31

Child Codes

9

Coding Notes

Includes

Conditions included under this code

  • erosion (acute) of duodenum
  • duodenum ulcer (peptic)
  • postpyloric ulcer (peptic)

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Excludes 2

Conditions not included here, but the patient may have both

  • 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)
  • hiatus hernia (K44.-)

Use Additional Code

Additional codes that should follow this code

  • code to identify:
  • alcohol abuse and dependence (F10.-)

Child Codes (9)

K26.0

Acute duodenal ulcer with hemorrhage

BillableK26.1

Acute duodenal ulcer with perforation

BillableK26.2

Acute duodenal ulcer with both hemorrhage and perforation

BillableK26.3

Acute duodenal ulcer without hemorrhage or perforation

BillableK26.4

Chronic or unspecified duodenal ulcer with hemorrhage

BillableK26.5

Chronic or unspecified duodenal ulcer with perforation

BillableK26.6

Chronic or unsp duodenal ulcer w both hemorrhage and perf

BillableK26.7

Chronic duodenal ulcer without hemorrhage or perforation

BillableK26.9

Duodenal ulcer, unsp as acute or chronic, w/o hemor or perf

Billable

Also Known As / Clinical Terms

UMLS

Frequently Asked Questions

What is ICD-10 code K26?

ICD-10-CM code K26 represents "Duodenal ulcer". It is a non-billable header code — use a more specific child code for billing purposes.

Is K26 a billable code?

No, K26 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 9 child codes under K26.

What chapter is K26 in?

K26 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).

What codes cannot be used with K26?

K26 has Excludes1 notes indicating codes that cannot be used together with it, including: peptic ulcer NOS (K27.-).

What are the subcategories under K26?

K26 has 9 child codes, including: K26.0 (Acute duodenal ulcer with hemorrhage), K26.1 (Acute duodenal ulcer with perforation), K26.2 (Acute duodenal ulcer with both hemorrhage and perforation), K26.3 (Acute duodenal ulcer without hemorrhage or perforation), and 5 more.

Are additional codes required with K26?

Yes, when using K26 you should also code: code to identify:; alcohol abuse and dependence (F10.-).

What are the UMLS CUIs for K26?

K26 is linked to 3 UMLS Concept Unique Identifiers: C0267251, C0013295, C4290200. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.