R10-R19
Medium Complexity

Symptoms and signs involving the digestive system and abdomen

Primary Specialty: Primary Care
Last Updated: 2025-09-10

ICD-10 Codes (68)

67 billable
0 category headers
R11
Billable
Nausea and vomiting
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R11.0
Billable
Nausea
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R11.1
Billable
Vomiting
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R11.10
Billable
Vomiting, unspecified
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R11.11
Billable
Vomiting without nausea
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R11.12
Billable
Projectile vomiting
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R11.13
Billable
Vomiting of fecal matter
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R11.14
Billable
Bilious vomiting
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R11.15
Billable
Cyclical vomiting syndrome unrelated to migraine
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R11.2
Billable
Nausea with vomiting, unspecified
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R12
Billable
Heartburn
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R13
Aphagia and dysphagia
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R13.0
Billable
Aphagia
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R13.1
Billable
Dysphagia
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R13.10
Billable
Dysphagia, unspecified
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R13.11
Billable
Dysphagia, oral phase
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R13.12
Billable
Dysphagia, oropharyngeal phase
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R13.13
Billable
Dysphagia, pharyngeal phase
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R13.14
Billable
Dysphagia, pharyngoesophageal phase
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R13.19
Billable
Other dysphagia
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R14
Billable
Flatulence and related conditions
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R14.0
Billable
Abdominal distension (gaseous)
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R14.1
Billable
Gas pain
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R14.2
Billable
Eructation
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R14.3
Billable
Flatulence
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R15
Billable
Fecal incontinence
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R15.0
Billable
Incomplete defecation
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R15.1
Billable
Fecal smearing
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R15.2
Billable
Fecal urgency
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R15.9
Billable
Full incontinence of feces
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R16
Billable
Hepatomegaly and splenomegaly, not elsewhere classified
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R16.0
Billable
Hepatomegaly, not elsewhere classified
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R16.1
Billable
Splenomegaly, not elsewhere classified
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R16.2
Billable
Hepatomegaly with splenomegaly, not elsewhere classified
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R17
Billable
Unspecified jaundice
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R18
Billable
Ascites
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R18.0
Billable
Malignant ascites
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R18.8
Billable
Other ascites
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R19
Billable
Other symptoms and signs involving the digestive system and abdomen
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R19.0
Billable
Intra-abdominal and pelvic swelling, mass and lump
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R19.00
Billable
Intra-abdominal and pelvic swelling, mass and lump, unspecified site
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R19.01
Billable
Right upper quadrant abdominal swelling, mass and lump
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R19.02
Billable
Left upper quadrant abdominal swelling, mass and lump
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R19.03
Billable
Right lower quadrant abdominal swelling, mass and lump
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R19.04
Billable
Left lower quadrant abdominal swelling, mass and lump
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R19.05
Billable
Periumbilic swelling, mass or lump
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R19.06
Billable
Epigastric swelling, mass or lump
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R19.07
Billable
Generalized intra-abdominal and pelvic swelling, mass and lump
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R19.09
Billable
Other intra-abdominal and pelvic swelling, mass and lump
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R19.1
Billable
Abnormal bowel sounds
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R19.11
Billable
Absent bowel sounds
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R19.12
Billable
Hyperactive bowel sounds
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R19.15
Billable
Other abnormal bowel sounds
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R19.2
Billable
Visible peristalsis
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R19.3
Billable
Abdominal rigidity
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R19.30
Billable
Abdominal rigidity, unspecified site
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R19.31
Billable
Right upper quadrant abdominal rigidity
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R19.32
Billable
Left upper quadrant abdominal rigidity
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R19.33
Billable
Right lower quadrant abdominal rigidity
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R19.34
Billable
Left lower quadrant abdominal rigidity
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R19.35
Billable
Periumbilic abdominal rigidity
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R19.36
Billable
Epigastric abdominal rigidity
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R19.37
Billable
Generalized abdominal rigidity
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R19.4
Billable
Change in bowel habit
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R19.5
Billable
Other fecal abnormalities
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R19.6
Billable
Halitosis
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R19.7
Billable
Diarrhea, unspecified
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R19.8
Billable
Other specified symptoms and signs involving the digestive system and abdomen
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Updates & Changes

FY 2026 Updates

Current Year

Deleted Codes

No codes deleted in this range for FY 2026

No significant changes for FY 2026

This range maintains stability with current coding practices

Historical Changes

  • •FY 2025: Routine maintenance updates with minor terminology clarifications
  • •FY 2024: Enhanced specificity requirements for certain code ranges
  • •FY 2023: Updated documentation guidelines for improved clarity

Upcoming Changes

  • •Proposed updates pending review by Coordination and Maintenance Committee
  • •Under consideration: Enhanced digital health integration codes

Implementation Guidance

  • •Review all FY 2026 updates for R10-R19 codes before implementation
  • •Always verify the most current codes in the ICD-10-CM manual
  • •Ensure clinical documentation supports the selected diagnosis codes
  • +3 more guidance items...

Range Overview

high priority

The ICD-10 code range R10-R19 pertains to symptoms and signs involving the digestive system and abdomen. These codes are used to document various symptoms and clinical signs that are indicative of conditions affecting the digestive system, including but not limited to abdominal pain, nausea, vomiting, diarrhea, and constipation. They are not used to code definitive diagnoses but rather to capture symptoms that may lead to a definitive diagnosis.

Key Usage Points:

  • •R10-R19 codes are used when a definitive diagnosis has not been established.
  • •These codes are used for symptoms related to the digestive system and abdomen.
  • •R10 codes are specifically for abdominal and pelvic pain.
  • •R11 codes are used for symptoms related to nausea and vomiting.
  • •R12-R19 codes cover other symptoms and signs involving the digestive system.

Coding Guidelines

When to Use:

  • ✓When a patient presents with abdominal pain without a known cause.
  • ✓When a patient has symptoms of nausea and vomiting, but the cause is not yet determined.
  • ✓For patients with digestive symptoms like diarrhea or constipation without a definitive diagnosis.
  • ✓When a patient has abnormal findings on diagnostic imaging of the digestive system without a known cause.

When NOT to Use:

  • ✗When a definitive diagnosis has been established.
  • ✗When the symptoms are not related to the digestive system or abdomen.
  • ✗When the symptoms are a known side effect of a medication.
  • ✗When the symptoms are due to a condition that has its own specific code.

Code Exclusions

Always verify exclusions using the ICD-10-CM Official Guidelines for Coding and Reporting.

Documentation Requirements

Documentation for R10-R19 codes should clearly describe the patient's symptoms and their relation to the digestive system or abdomen. The documentation should also include any relevant history, examination findings, and diagnostic test results.

Clinical Information:

  • •Detailed description of the patient's symptoms.
  • •Location of the symptoms (if applicable).
  • •Duration and frequency of the symptoms.
  • •Any factors that exacerbate or alleviate the symptoms.
  • •Results of any relevant diagnostic tests.

Supporting Evidence:

  • •Patient's medical history.
  • •Physical examination findings.
  • •Diagnostic imaging reports.
  • •Laboratory test results.
Good Documentation Example:

Patient presents with severe, intermittent abdominal pain in the lower right quadrant for the past two days. Pain is exacerbated by movement and alleviated by rest. No nausea, vomiting, or changes in bowel movements. Abdominal examination reveals tenderness in the lower right quadrant. CT scan ordered.

Poor Documentation Example:

Patient has stomach pain.

Common Documentation Errors:

  • âš Not providing enough detail about the patient's symptoms.
  • âš Not specifying the location of the symptoms.
  • âš Not documenting the duration and frequency of the symptoms.
  • âš Not including relevant examination findings or test results.

Range Statistics

10
Total Codes
67
Billable
Complexity:
Medium
Primary Use:Clinical Documentation
Chapter:18

Coding Complexity

Medium
Complexity Rating

Coding for R10-R19 requires a solid understanding of the digestive system and the ability to interpret clinical information. The complexity is increased by the need to differentiate between symptoms and definitive diagnoses, and to apply the correct code based on the patient's symptoms.

Key Factors:
  • â–¸Determining the correct code based on the patient's symptoms.
  • â–¸Identifying any underlying conditions that may be causing the symptoms.
  • â–¸Understanding the relationship between the symptoms and the digestive system.
  • â–¸Interpreting the results of diagnostic tests.
  • â–¸Applying the ICD-10-CM Official Guidelines for Coding and Reporting.

Specialty Focus

R10-R19 codes are commonly used in primary care, emergency medicine, and gastroenterology. They are used to document symptoms before a definitive diagnosis is made.

Primary Specialties:
Primary Care
40%
Emergency Medicine
30%
Gastroenterology
30%
Clinical Scenarios:
  • • A patient presents to the ER with severe abdominal pain.
  • • A patient reports chronic constipation during a routine primary care visit.
  • • A patient undergoes a gastroenterology consultation for recurrent nausea and vomiting.

Resources & References

Resources for R10-R19 codes include the ICD-10-CM Official Guidelines for Coding and Reporting, clinical reference books, and educational materials from professional coding organizations.

Official Guidelines:

  • ICD-10-CM Official Guidelines for Coding and Reporting
  • American Health Information Management Association (AHIMA) Coding Guidelines
  • American Academy of Professional Coders (AAPC) Coding Guidelines

Clinical References:

  • Clinical Coding Workout
  • ICD-10-CM Expert for Hospitals

Educational Materials:

  • AHIMA ICD-10-CM Training
  • AAPC ICD-10-CM Training

Frequently Asked Questions

Can R10-R19 codes be used for definitive diagnoses?

No, R10-R19 codes are used to document symptoms related to the digestive system and abdomen, not definitive diagnoses.