ICD-10-CM
ICD-10 code for Mass abdominal: R19.00
The ICD-10-CM index points "Mass abdominal" to R19.00, Intra-abdominal and pelvic swelling, mass and lump, unspecified site. R19.00 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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Index subterms
A header groups codes and is not billed. A billable code is one you can report.
- R19.06epigastric, Epigastric swelling, mass or lumpBillable
- R19.07generalized, Generalized intra-abdominal and pelvic swelling, mass and lumpBillable
- R19.04left lower quadrant, Left lower quadrant abdominal swelling, mass and lumpBillable
- R19.02left upper quadrant, Left upper quadrant abdominal swelling, mass and lumpBillable
- R19.05periumbilic, Periumbilic swelling, mass or lumpBillable
- R19.03right lower quadrant, Right lower quadrant abdominal swelling, mass and lumpBillable
- R19.01right upper quadrant, Right upper quadrant abdominal swelling, mass and lumpBillable
- R19.09specified site NEC, Other intra-abdominal and pelvic swelling, mass and lumpBillable
More specific codes in R19
A header groups codes and is not billed. A billable code is one you can report.
- R19Other symptoms and signs involving the digestive system and abdomenHeader
- R19.0Intra-abdominal and pelvic swelling, mass and lumpHeader
- R19.00Intra-abdominal and pelvic swelling, mass and lump, unspecified siteBillable
- R19.01Right upper quadrant abdominal swelling, mass and lumpBillable
- R19.02Left upper quadrant abdominal swelling, mass and lumpBillable
- R19.03Right lower quadrant abdominal swelling, mass and lumpBillable
- R19.04Left lower quadrant abdominal swelling, mass and lumpBillable
- R19.05Periumbilic swelling, mass or lumpBillable
- R19.06Epigastric swelling, mass or lumpBillable
- R19.07Generalized intra-abdominal and pelvic swelling, mass and lumpBillable
- R19.09Other intra-abdominal and pelvic swelling, mass and lumpBillable
- R19.1Abnormal bowel soundsHeader
- R19.11Absent bowel soundsBillable
- R19.12Hyperactive bowel soundsBillable
- R19.15Other abnormal bowel soundsBillable
- R19.2Visible peristalsisBillable
- R19.3Abdominal rigidityHeader
- R19.30Abdominal rigidity, unspecified siteBillable
- R19.31Right upper quadrant abdominal rigidityBillable
- R19.32Left upper quadrant abdominal rigidityBillable
- R19.33Right lower quadrant abdominal rigidityBillable
- R19.34Left lower quadrant abdominal rigidityBillable
- R19.35Periumbilic abdominal rigidityBillable
- R19.36Epigastric abdominal rigidityBillable
- R19.37Generalized abdominal rigidityBillable
- R19.4Change in bowel habitBillable
- R19.5Other fecal abnormalitiesBillable
- R19.6HalitosisBillable
- R19.7Diarrhea, unspecifiedBillable
- R19.8Other specified symptoms and signs involving the digestive system and abdomenBillable
Excludes1
Related conditions
Related pages
- R19.00 code detailsNotes, nearby codes, CMS-HCC group
- Category R19Every code under it
- Chapter 18Symptoms, signs and abnormal clinical findings
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Mass abdominal?
The ICD-10-CM index points "Mass abdominal" to R19.00, Intra-abdominal and pelvic swelling, mass and lump, unspecified site. R19.00 is a billable code.
Is R19.00 billable?
Yes. R19.00 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What documentation notes apply to R19.00?
The CDC tabular list gives 3 Excludes1 notes (not coded together) for R19.00 and the categories above it. They are listed on this page.
What chapter is R19.00 in?
Chapter 18. Symptoms, signs and abnormal clinical findings.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.