Rome IV Diagnostic Criteria for Functional Chest Pain

Rome IV A4 functional chest pain: cardiac exclusion, no heartburn or dysphagia, exclude GERD and EoE, exclude major motor disorders on HRM, plus 6-month onset, 3-month activity, weekly symptoms. Educational use only.

Rome IV Functional Chest Pain Criteria

Check the criteria that apply to the patient. The Rome IV criteria for Functional Chest Pain (A4) require all four diagnostic criteria plus the temporal criteria to be satisfied.

Diagnostic criteria (all required)

Must include all of the following.

Temporal criteria (all required)

Symptoms must meet the following time and frequency thresholds.

Disclaimer: The Rome IV diagnostic criteria for Functional Chest Pain are an educational clinical decision-support tool. They do not replace comprehensive clinical evaluation, cardiac workup, appropriate esophageal diagnostic testing (endoscopy with biopsies, ambulatory reflux monitoring, high-resolution manometry), or clinical judgment. Always ensure cardiac, structural, reflux-mediated, and eosinophilic causes have been appropriately excluded before applying these criteria.

Rome IV Functional Chest Pain: criteria, workup, and clinical context

Overview

Functional Chest Pain (Rome IV category A4) is defined as retrosternal chest pain or discomfort that cannot be attributed to gastroesophageal reflux disease (GERD), eosinophilic esophagitis (EoE), or a major esophageal motor disorder, and that is not accompanied by associated esophageal symptoms such as heartburn or dysphagia. Cardiac causes must be ruled out before applying these criteria. It is classified among the functional esophageal disorders in the Rome IV system (2016). The diagnosis is one of exclusion, requiring a thorough cardiac and esophageal workup.

Diagnostic criteria

Must include all of the following:

#	Criterion	Clinical interpretation
1	Retrosternal chest pain or discomfort	The cardinal symptom must be retrosternal in location and indistinguishable from ischemic heart pain. A cardiac cause must be excluded by appropriate evaluation (e.g., ECG, stress testing, coronary angiography as clinically indicated) before applying these criteria.
2	Absence of associated esophageal symptoms such as heartburn and dysphagia	The chest pain must not be accompanied by heartburn or dysphagia, which would instead suggest an alternative esophageal diagnosis such as functional heartburn, reflux hypersensitivity, or functional dysphagia.
3	Absence of evidence that GERD or EoE is the cause	Requires normal upper endoscopy (no erosive esophagitis, no EoE on biopsy), and normal acid exposure on ambulatory reflux monitoring (pH or pH-impedance) without reflux-symptom correlation.
4	Absence of major esophageal motor disorders	High-resolution manometry (HRM) must exclude achalasia/EGJ outflow obstruction, diffuse esophageal spasm (DES), jackhammer esophagus, and absent peristalsis per the Chicago Classification v4.0. Ineffective esophageal motility and fragmented peristalsis do not exclude the diagnosis.

Temporal criteria

Requirement	Detail
Duration	Criteria fulfilled for the last 3 months
Onset	Symptom onset at least 6 months before diagnosis
Frequency	At least once per week

Note that functional chest pain requires symptoms at least once per week, whereas functional heartburn (A2) requires at least twice per week. These temporal thresholds were derived from the Rome Foundation normative survey.

Distinguishing functional chest pain from related conditions

Condition	Primary symptom	Esophageal symptoms	Reflux evidence
Functional chest pain (A4)	Retrosternal pain/discomfort	Absent	Absent
Functional heartburn (A2)	Burning retrosternal discomfort	Heartburn present	Absent
Reflux hypersensitivity (A3)	Heartburn or chest pain	Variable	Positive symptom-reflux correlation
GERD-related NCCP	Chest pain	Often present	Abnormal acid exposure
Esophageal motor disorder	Chest pain or dysphagia	Often present	Variable

The key features that distinguish functional chest pain from functional heartburn are the absence of heartburn as a symptom and the non-burning quality of the chest pain. Functional chest pain accounts for approximately one-third of patients with noncardiac chest pain (NCCP).

Required diagnostic workup

Cardiac evaluation

A cardiac workup is the mandatory first step. The extent should be determined by a cardiologist based on clinical risk factors. It may include ECG, exercise stress testing, echocardiography, or coronary angiography as indicated. The morbidity and mortality of coronary artery disease far exceeds that of esophageal causes of chest pain.

PPI trial

An empiric PPI trial or PPI test is the first step in the esophageal workup algorithm. A standard or high-dose PPI for 2-8 weeks helps identify GERD-related chest pain. Symptom resolution suggests GERD; lack of response prompts further esophageal evaluation.

Upper endoscopy (EGD) with biopsies

Excludes erosive esophagitis, Barrett esophagus, and eosinophilic esophagitis (requires esophageal biopsies with ≥15 eosinophils per high-power field). Up to 14% of patients undergoing endoscopy for NCCP are found to have abnormal eosinophilic infiltrates on biopsy.

Ambulatory reflux monitoring

Either wireless pH capsule (Bravo) or catheter-based pH-impedance monitoring, preferably performed off PPI for at least 7 days. A normal acid exposure time (<4%) and absence of reflux-symptom correlation support the diagnosis. The wireless pH capsule allows up to 96-hour measurement.

High-resolution manometry (HRM)

Excludes major esophageal motor disorders per the Chicago Classification (v4.0): achalasia (types I-III), EGJ outflow obstruction, diffuse esophageal spasm, jackhammer esophagus, and absent contractility. Minor motor disorders (ineffective esophageal motility, fragmented peristalsis) do not exclude functional chest pain.

Management approach

Reassurance and education: Explain the benign nature of functional chest pain and that cardiac disease has been excluded. Validate the patient's symptoms while framing the condition as a disorder of gut-brain interaction involving visceral hypersensitivity.
Neuromodulators (first-line): Low-dose tricyclic antidepressants (e.g., imipramine 50 mg at bedtime) are the best-studied pharmacotherapy. SSRIs (e.g., sertraline, citalopram) and SNRIs (e.g., venlafaxine) are alternatives when TCAs are contraindicated or not tolerated.
Psychological therapies: Cognitive behavioral therapy (CBT) has demonstrated efficacy in reducing chest pain episodes and improving quality of life. Hypnotherapy and relaxation training are additional options.
Complementary approaches: Techniques such as acupuncture and Johrei have been studied as adjuncts. Mindfulness-based stress reduction may also be considered.
Psychiatric evaluation: Screen for panic disorder (present in up to 41% of emergency department visits for noncardiac chest pain), anxiety, depression, and somatization. Referral to a psychiatrist or psychologist with expertise in functional GI disorders is recommended.

Key references

Aziz Q, Fass R, Gyawali CP, Miwa H, Pandolfino JE, Zerbib F. Esophageal Disorders. Gastroenterology. 2016;150(6):1368-1379.
Fass R, Shibli F, Tawil J. Diagnosis and Management of Functional Chest Pain in the Rome IV Era. J Neurogastroenterol Motil. 2019;25(4):487-498.
Gyawali CP, Kahrilas PJ, Savarino E, et al. Modern diagnosis of GERD: the Lyon Consensus. Gut. 2018;67(7):1351-1362.
Drossman DA, Hasler WL. Rome IV: Functional GI Disorders: Disorders of Gut-Brain Interaction. Gastroenterology. 2016;150(6):1257-1261.
Cannon RO 3rd, Quyyumi AA, Mincemoyer R, et al. Imipramine in patients with chest pain despite normal coronary angiograms. N Engl J Med.1994;330(20):1411-1417.

Practice caveats

Functional chest pain is a diagnosis of exclusion. A cardiac workup must be completed first, followed by esophageal evaluation (PPI trial, endoscopy with biopsies, ambulatory reflux monitoring, high-resolution manometry).
The distinction between functional chest pain (A4) and functional heartburn (A2) is the absence of heartburn in functional chest pain. If burning retrosternal discomfort (heartburn) is present, evaluate for functional heartburn instead.
Panic disorder is a common comorbidity in noncardiac chest pain patients and should be systematically evaluated. Treatment of underlying psychiatric conditions can significantly improve chest pain outcomes.
Functional chest pain accounts for approximately one-third of NCCP patients. After GERD, it is the second most common cause of esophageal-related noncardiac chest pain.

Definition and place in Rome IV

Functional chest pain (Rome IV category A4) describes retrosternal pain or discomfort that persists after a serious cardiac cause has been reasonably excluded, and after common esophageal mechanisms (typical reflux symptoms, eosinophilic esophagitis, and major motor disorders) have been evaluated and do not adequately explain the symptom pattern. It is an esophageal functional disorder in the Rome taxonomy, not a primary cardiac diagnosis.

The label is intentionally restrictive. Many patients with noncardiac chest pain have gastroesophageal reflux disease, reflux hypersensitivity, motor disorders, or symptom overlap with functional dyspepsia. Functional chest pain applies when the phenotype is isolated retrosternal discomfort without the companion esophageal features listed below and when objective testing has closed off the major alternative esophageal pathways.

Why structured criteria matter

Chest pain provokes understandable anxiety and often triggers repeated testing. Rome IV offers a checklist that mirrors how experts weigh cardiac safety, symptom associations, endoscopic and physiological data, and manometric classification, then applies time and frequency thresholds so that transient or mild complaints are not over-labeled.

Diagnostic criteria (all required)

1. Retrosternal chest pain or discomfort; cardiac causes ruled out

The symptom should be localized behind the sternum. “Ruled out” in practice means an evaluation appropriate to risk (history, electrocardiography, biomarkers when indicated, functional imaging or invasive testing when warranted) has not identified ischemia or other cardiac explanations sufficient to account for the episodes. Residual uncertainty after a proportionate workup should be acknowledged, but Rome IV assumes cardiac disease is not the primary driver.

2. No associated typical esophageal symptoms (heartburn, dysphagia)

Functional chest pain in this schema is not accompanied by heartburn, dysphagia, or other classic esophageal complaints that would steer the clinician toward reflux-, obstruction-, or inflammation-predominant diagnoses. The chest discomfort stands apart from meal-related burning, food sticking, or overt regurgitation patterns that define other disorders.

3. No evidence that GERD or eosinophilic esophagitis explains the pain

Exclusion is evidence-based rather than symptomatic alone. In teaching terms this integrates:

Endoscopy without erosive esophagitis and without histologic eosinophilic esophagitis on biopsy when EoE is in the differential.
Ambulatory reflux monitoring showing normal esophageal acid (and, in contemporary practice, often reflux burden interpreted with symptom correlation rules appropriate to your laboratory).
Lack of a convincing reflux-symptom association that would reclassify the problem as reflux-related noncardiac chest pain or reflux hypersensitivity rather than functional chest pain.

If objective reflux disease or EoE is present, Rome IV functional chest pain is not the correct primary label.

4. No major esophageal motor disorder on high-resolution manometry

High-resolution manometry should exclude disorders that themselves produce chest pain or mimic it, including achalasia and esophagogastric junction outflow obstruction, diffuse esophageal spasm, jackhammer esophagus (hypercontractile esophagus), and absent peristalsis. When a major motor diagnosis is made, management targets that disorder instead of the A4 category.

Temporal criteria (all required)

Rome IV also requires stability and frequency:

Symptom onset at least six months before the diagnostic assessment, establishing a chronic course.
Active symptoms during the most recent three months, so the diagnosis reflects current illness rather than remote history alone.
At least one day per week on average with retrosternal pain or discomfort, matching the threshold used elsewhere in Rome IV esophageal disorders.

How the CalcMD tool applies the criteria

The calculator separates four diagnostic items from three temporal items, matching the implementation in the application. Every box must be affirmative for a “criteria met” result. Partial fulfillment usually means further testing, symptom reappraisal, or a different Rome diagnosis (for example reflux hypersensitivity or a motor disorder) is more appropriate.

Overlap and common pitfalls

Functional dyspepsia and epigastric pain syndromes may coexist; Rome IV functional chest pain emphasizes retrosternal localization.
Psychological comorbidity is common in chronic chest pain but is neither required nor sufficient for the diagnosis; the criteria remain symptom- and test-based.
Incomplete esophageal evaluation (no manometry, no reflux study when reflux remains plausible) limits the validity of applying A4.
Benign reassurance is often part of longitudinal care, but reassurance alone does not substitute for meeting the published criteria.

Important limitations

This page and calculator are for education and criterion tracking, not autonomous medical decision-making.
Test selection, timing of studies, and pretest probability vary by age, sex, and risk factors; criteria must be interpreted by a qualified clinician.
New data or local practice guidelines may refine how reflux monitoring and manometry are obtained; the checklist assumes completed assessments as defined in your clinical context.