R11.16 – Cannabis hyperemesis syndrome

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

Billable code

ICD-10-CM code R11.16

Code: R11.16 (claims format: R1116)
Description: Cannabis hyperemesis syndrome
Billable: Yes – valid for HIPAA-covered transactions
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 › R11.1

Notes for R11.16

Applicable to:

Cannabinoid hyperemesis syndrome

Code also:

cannabis abuse (F12.1-)
cannabis dependence (F12.2-)
cannabis use, unspecified (F12.92-, F12.93, F12.95-, F12.98-, F12.99)
manifestations, such as:
dehydration (E86.0)
electrolyte imbalance (E87.8)

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)

Index terms for R11.16

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in R11.1

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

Frequently asked questions

What is ICD-10 code R11.16?

R11.16 is the ICD-10-CM code for cannabis hyperemesis syndrome, in the block R10-R19 (Symptoms and signs involving the digestive system and abdomen).

Is R11.16 a billable code?

Yes. R11.16 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does R11.16 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.