• 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)
  1. R10 Abdominal and pelvic pain


    • renal colic (N23)


    • dorsalgia (M54.-)
    • flatulence and related conditions (R14.-)
    1. R10.0 Acute abdomen

      Inclusion term(s):

      • Severe abdominal pain (generalized) (with abdominal rigidity)
    2. R10.1 Pain localized to upper abdomen

      1. R10.10 Upper abdominal pain, unspecified

      2. R10.11 Right upper quadrant pain

      3. R10.12 Left upper quadrant pain

      4. R10.13 Epigastric pain

        Inclusion term(s):

        • Dyspepsia
    3. R10.2 Pelvic and perineal pain

    4. R10.3 Pain localized to other parts of lower abdomen

      1. R10.30 Lower abdominal pain, unspecified

      2. R10.31 Right lower quadrant pain

      3. R10.32 Left lower quadrant pain

      4. R10.33 Periumbilical pain

    5. R10.8 Other abdominal pain

      1. R10.81 Abdominal tenderness

        Inclusion term(s):

        • Abdominal tenderness NOS
        • R10.811 Right upper quadrant abdominal tenderness
        • R10.812 Left upper quadrant abdominal tenderness
        • R10.813 Right lower quadrant abdominal tenderness
        • R10.814 Left lower quadrant abdominal tenderness
        • R10.815 Periumbilic abdominal tenderness
        • R10.816 Epigastric abdominal tenderness
        • R10.817 Generalized abdominal tenderness
        • R10.819 Abdominal tenderness, unspecified site
      2. R10.82 Rebound abdominal tenderness

        • R10.821 Right upper quadrant rebound abdominal tenderness
        • R10.822 Left upper quadrant rebound abdominal tenderness
        • R10.823 Right lower quadrant rebound abdominal tenderness
        • R10.824 Left lower quadrant rebound abdominal tenderness
        • R10.825 Periumbilic rebound abdominal tenderness
        • R10.826 Epigastric rebound abdominal tenderness
        • R10.827 Generalized rebound abdominal tenderness
        • R10.829 Rebound abdominal tenderness, unspecified site
      3. R10.83 Colic

        Inclusion term(s):

        • Colic NOS
        • Infantile colic
      4. R10.84 Generalized abdominal pain

    6. R10.9 Unspecified abdominal pain

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.