R19.31 is the authoritative medical code for Right upper quadrant abdominal rigidity. This classification is used in medical billing and clinical recording to specify the clinical criteria for right upper quadrant abdominal rigidity (ICD-10-CM R19.31), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Right upper quadrant abdominal rigidity is a billable ICD-10-CM diagnosis code R19.31. Excludes1 (not coded here): abdominal rigidity with severe abdominal pain R10.0; acute abdomen R10.0. 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.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for R19.31 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- abdominal rigidity with severe abdominal pain R10.0
- acute abdomen R10.0
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- 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
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with R19.31?
Per official ICD-10-CM Excludes1 instructions, R19.31 must not be reported together with: abdominal rigidity with severe abdominal pain (R10.0); acute abdomen (R10.0).
Can R19.31 be reported alongside related conditions?
Per official ICD-10-CM Excludes2 instructions, R19.31 and the following are not considered part of each other and may both be reported when both conditions are present: congenital or infantile pylorospasm (Q40.0); gastrointestinal hemorrhage (K92.0-K92.2); intestinal obstruction (K56.-); newborn gastrointestinal hemorrhage (P54.0-P54.3).
Nearest Codes in This Family
Official ICD-10-CM classifications closest to R19.31 in its code family, with their registry titles.
- R19 — Other symptoms and signs involving the digestive system and abdomen
- R19.0 — Intra-abdominal and pelvic swelling, mass and lump
- R19.00 — Intra-abdominal and pelvic swelling, mass and lump, unspecified site
- R19.01 — Right upper quadrant abdominal swelling, mass and lump
- R19.02 — Left upper quadrant abdominal swelling, mass and lump
- R19.03 — Right lower quadrant abdominal swelling, mass and lump
- R19.04 — Left lower quadrant abdominal swelling, mass and lump
- R19.05 — Periumbilic swelling, mass or lump
- R19.06 — Epigastric swelling, mass or lump
- R19.07 — Generalized intra-abdominal and pelvic swelling, mass and lump
View all 29 codes in the R19 family
Indexed Clinical Terms (1)
Clinical term phrases from the official ICD-10-CM Index to Diseases and Injuries that map to this code.
- Rigid, rigidity, abdominal, right upper quadrant