K27
Non-billablePeptic ulcer, site unspecified
Peptic ulcer, site unspecified
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- gastroduodenal ulcer NOS
- peptic ulcer NOS
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 periodP04-P96
- •certain infectious and parasitic diseasesA00-B99
- •complications of pregnancy, childbirth and the puerperiumO9A)O00
- •congenital malformations, deformations and chromosomal abnormalitiesQ00-Q99
- •endocrine, nutritional and metabolic diseasesE00-E88
- •injury, poisoning and certain other consequences of external causesS00-T88
- •neoplasmsC00-D49
- •symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classifiedR00-R94
- •hiatus herniaK44
Use Additional Code
Additional codes that should follow this code
- code to identify:
- •alcohol abuse and dependenceF10
Child Codes (9)
K27.0Acute peptic ulcer, site unspecified, with hemorrhage
K27.1Acute peptic ulcer, site unspecified, with perforation
K27.2Acute peptic ulcer, site unsp, w both hemorrhage and perf
K27.3Acute peptic ulcer, site unsp, w/o hemorrhage or perforation
K27.4Chronic or unsp peptic ulcer, site unsp, with hemorrhage
K27.5Chronic or unsp peptic ulcer, site unsp, with perforation
K27.6Chr or unsp peptic ulcer, site unsp, w both hemor and perf
K27.7Chronic peptic ulcer, site unsp, w/o hemorrhage or perf
K27.9Peptic ulc, site unsp, unsp as ac or chr, w/o hemor or perf
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(34)
UMLS
- GDUC0030920
- Gastroduodenal UlcerC0030920
- Gastroduodenal UlcersC0030920
- Gastroduodenal ulcerC0030920
- PU - Peptic ulcerC0030920
- PUDC0030920
- PUD - Peptic ulcer diseaseC0030920
- Peptic UlcerC0030920
- Peptic Ulcer DiseaseC0030920
- Peptic UlcersC0030920
- Peptic ulcerC0030920
- Peptic ulcer (disorder)C0030920
- Peptic ulcer diseaseC0030920
- Peptic ulcer syndromeC0030920
- Peptic ulcer, site unspecifiedC0030920
- Peptic ulcerationC0030920
- Sore in the lining of gastrointestinal tractC0030920
- Syndrome peptic ulcerC0030920
- Ulcer gastroduodenalC0030920
- Ulcer pepticC0030920
- Ulcer syndrome pepticC0030920
- Ulcer, GastroduodenalC0030920
- Ulcer, PepticC0030920
- Ulcers, GastroduodenalC0030920
- Ulcers, PepticC0030920
- gastroduodenal ulcerC0030920
- gastroduodenal ulcer NOSC0030920
- peptic ulcerC0030920
- peptic ulcer NOSC0030920
- peptic ulcer diseaseC0030920
- peptic ulcer disorderC0030920
- peptic ulcer nosC0030920
- peptic ulcersC0030920
- ulcer of the gastrointestinal tractC0030920
Frequently Asked Questions
What is the ICD-10 code for peptic ulcer, site unspecified?
The ICD-10-CM code for peptic ulcer, site unspecified is K27. The full clinical description is "Peptic ulcer, site unspecified". K27 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code K27 mean?
ICD-10-CM code K27 represents “Peptic ulcer, site unspecified”. It is classified under Chapter 11: Diseases of the Digestive System and is a non-billable header code. Use a more specific child code for billing purposes.
Is K27 a billable code?
No, K27 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 K27.
What chapter is K27 in?
K27 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).
What codes cannot be used with K27?
K27 has Excludes1 notes indicating codes that cannot be used together with it, including: peptic ulcer of newborn (P78.82).
What are the subcategories under K27?
K27 has 9 child codes, including: K27.0 (Acute peptic ulcer, site unspecified, with hemorrhage), K27.1 (Acute peptic ulcer, site unspecified, with perforation), K27.2 (Acute peptic ulcer, site unsp, w both hemorrhage and perf), K27.3 (Acute peptic ulcer, site unsp, w/o hemorrhage or perforation), and 5 more.
Are additional codes required with K27?
Yes, when using K27, also report: ; alcohol abuse and dependence (F10.-).
What are the UMLS CUIs for K27?
K27 is linked to 1 UMLS Concept Unique Identifier: C0030920. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does K27 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like peptic ulcer, site unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of K27?
K27 maps to the ICD-11 code: DA61 (Peptic ulcer, site unspecified).
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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.