DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

R11 Nausea and vomiting

  • Header · not billable

R11 is not billable. The category heads 9 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

Where it sits

  1. Chapter 18 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
  2. R10-R19 Symptoms and signs involving the digestive system and abdomen (R10-R19)
  3. R11 Nausea and vomiting
Billable codes
9
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
1
New FY2027
0
Index entries
20

Codes in R11

  1. R11.0
    Nausea
    Billable
    Inclusion terms 2

    Inclusion terms

    • Nausea NOS
    • Nausea without vomiting
  2. R11.1
    Vomiting
    Header
  3. R11.10
    Vomiting, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Vomiting NOS
  4. R11.11
    Vomiting without nausea
    Billable
  5. R11.12
    Projectile vomiting
    Billable
  6. R11.13
    Vomiting of fecal matter
    Billable
  7. R11.14
    Bilious vomiting
    Billable
    Inclusion terms 1

    Inclusion terms

    • Bilious emesis
  8. R11.15
    Cyclical vomiting syndrome unrelated to migraine
    Billable
    Inclusion terms 2, Excludes1 1, Excludes2 2

    Inclusion terms

    • Cyclic vomiting syndrome NOS
    • Persistent vomiting

    Excludes1

    • cyclical vomiting in migraine (G43.A-) G43.A

    Excludes2

    • bulimia nervosa (F50.20) F50.20
    • diabetes mellitus due to underlying condition (E08.-) E08
  9. R11.16
    Cannabis hyperemesis syndrome
    Billable137
    Inclusion terms 1, Code also 6

    Inclusion terms

    • Cannabinoid hyperemesis syndrome

    Code also

    • cannabis abuse (F12.1-) F12.1
    • cannabis dependence (F12.2-) F12.2
    • cannabis use, unspecified (F12.92-, F12.93, F12.95-, F12.98-, F12.99) F12.92 F12.93 F12.95 F12.98 F12.99
    • manifestations, such as:
    • dehydration (E86.0) E86.0
    • electrolyte imbalance (E87.8) E87.8
  10. R11.2
    Nausea with vomiting, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Persistent nausea with vomiting NOS

Sources of each column.

Instructions

At R11

Excludes1

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

Notes that also apply

Block R10-R19 instructions (Excludes2 9): printed on the block page.

Chapter 18 instructions (Notes 9, Excludes2 4): printed on the chapter 18 page.

Index entries

  • Nausea (without vomiting) → R11.0
  • Hyperemesis → R11.10
  • Regurgitation → R11.10
  • Rumination → R11.10
  • Vomiting → R11.10
  • Vomitingperiodic → R11.10
  • Vomitingwithout nausea → R11.11
  • Hyperemesisprojectile → R11.12
  • Vomitingprojectile → R11.12
  • Vomitingfecal matter → R11.13
  • Vomitingbilious (cause unknown) → R11.14
  • Vomitingcyclical syndrome NOS (unrelated to migraine) → R11.15
  • Vomitingpersistent → R11.15
  • Syndromecannabinoid hyperemesis → R11.16
  • Syndromecannabis hyperemesis → R11.16
  • Hyperemesiswith nausea → R11.2
  • Nausea (without vomiting)with vomiting → R11.2
  • Ruminationwith nausea → R11.2
  • Vomitingwith nausea → R11.2
  • Disorder (of)eating (adult) (psychogenic)rumination → R11.10

NCHS Alphabetic Index. Index first, then the Tabular List.

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