R11.1 – Vomiting

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving the digestive system and abdomen

Non-billable header

ICD-10-CM code R11.1

Code: R11.1 (claims format: R111)
Description: Vomiting
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R10-R19 Symptoms and signs involving the digestive system and abdomen
Parent codes: R11

Billable codes under R11.1

R11.1 is a header code and cannot be used on claims. Choose the most specific code:

R11.10 – Vomiting, unspecifiedBillable
R11.11 – Vomiting without nauseaBillable
R11.12 – Projectile vomitingBillable
R11.13 – Vomiting of fecal matterBillable
R11.14 – Bilious vomitingBillable
R11.15 – Cyclical vomiting syndrome unrelated to migraineBillable
R11.16 – Cannabis hyperemesis syndromeBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

R11 – Nausea and vomiting

Excludes1 (not coded here):

cyclical vomiting associated with migraine (G43.A-)
excessive vomiting in pregnancy (O21.-)
hematemesis (K92.0)
neonatal hematemesis (P54.0)
newborn vomiting (P92.0-)
psychogenic vomiting (F50.89)
vomiting associated with bulimia nervosa (F50.2-)
vomiting following gastrointestinal surgery (K91.0)

Block R10-R19

Excludes2 (not included here):

congenital or infantile pylorospasm (Q40.0)
gastrointestinal hemorrhage (K92.0-K92.2)
intestinal obstruction (K56.-)
newborn gastrointestinal hemorrhage (P54.0-P54.3)
newborn intestinal obstruction (P76.-)
pylorospasm (K31.3)
signs and symptoms involving the urinary system (R30-R39)
symptoms referable to female genital organs (N94.-)
symptoms referable to male genital organs (N48-N50)

Related codes in R11

R11.0 – NauseaBillable
R11.2 – Nausea with vomiting, unspecifiedBillable

Frequently asked questions

What is ICD-10 code R11.1?

R11.1 is the ICD-10-CM code for vomiting, in the block R10-R19 (Symptoms and signs involving the digestive system and abdomen).

Is R11.1 a billable code?

No. R11.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does R11.1 belong to?

It belongs to category R11 – Nausea and vomiting.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.