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  6. 2026 ICD-10-CM Code R11.16

2026 ICD-10-CM Diagnosis Code R11.16

Cannabis hyperemesis syndrome

ICD-10-CM Code:
R11.16
ICD-10 Code for:
Cannabis hyperemesis syndrome
Is Billable?
Yes - Valid for Submission
Code Navigator:

R11.16 is a billable diagnosis code used to specify a medical diagnosis of cannabis hyperemesis syndrome. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2025 through September 30, 2026.

According to ICD-10-CM guidelines this code should not to be used as a principal diagnosis code when a related definitive diagnosis has been established.

Code Classification

  • Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
    R00–R99
    • Symptoms and signs involving the digestive system and abdomen
      R10-R19
      • Nausea and vomiting
        R11

Clinical Information

  • Postoperative Nausea and Vomiting

    emesis and queasiness occurring after anesthesia.

  • Vomiting

    the forcible expulsion of the contents of the stomach through the mouth.

  • Vomiting, Anticipatory

    vomiting caused by expectation of discomfort or unpleasantness.

New 2026 ICD-10-CM Code

R11.16 is new to ICD-10-CM code set for the FY 2026, effective October 1, 2025. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2025. This is a new and revised code for the FY 2026 (October 1, 2025 - September 30, 2026).

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Cannabinoid hyperemesis syndrome

Code Also

Code Also
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Index of External Cause of Injuries

References found for this diagnosis code in the External Cause of Injuries Index:

    • Syndrome
      • cannabinoid hyperemesis
    • Syndrome
      • cannabis hyperemesis

Replacement Code

R1116 replaces the following previously assigned ICD-10-CM code(s):

  • R11.10 - Vomiting, unspecified

Code History

  • FY 2026 - Code Added, effective from 10/1/2025 through 9/30/2026