Aetna modified CPB 0588 for capsule endoscopy, effective September 26, 2025. Here's what billing teams need to know before claims go out the door.
Aetna, a CVS Health company, updated its capsule endoscopy coverage policy under CPB 0588 to define 15 specific medical necessity indications for coverage. The two primary billable codes are CPT 91110 (small bowel capsule endoscopy) and CPT 91111 (esophageal capsule endoscopy). CPT 0651T for magnetically controlled capsule endoscopy is explicitly not covered. If your practice bills capsule endoscopy billing for any Aetna members, the criteria in this update determine whether you get paid or get denied.
Quick-Reference Table
| Field | Detail |
|---|---|
| Payer | Aetna, a CVS Health company |
| Policy | Capsule Endoscopy |
| Policy Code | CPB 0588 |
| Change Type | Modified |
| Effective Date | September 26, 2025 |
| Impact Level | High |
| Specialties Affected | Gastroenterology, General Surgery, Oncology, Internal Medicine |
| Key Action | Audit all pending and upcoming capsule endoscopy claims against the 15 covered indications and confirm no claims use CPT 0651T |
Aetna Capsule Endoscopy Coverage Criteria and Medical Necessity Requirements 2025
The Aetna capsule endoscopy coverage policy under CPB 0588 lists 15 specific indications where capsule endoscopy meets medical necessity. This is not a broad policy. Each indication carries specific clinical prerequisites. If the patient's situation doesn't map precisely to one of these 15 criteria, Aetna will not cover it.
CPT 91110 covers the full GI tract from esophagus through ileum. CPT 91111 covers esophageal capsule endoscopy with physician interpretation. Both codes are covered when selection criteria are met. Document the clinical pathway that leads to each of these codes before you submit.
The 15 covered indications under this coverage policy are:
| # | Covered Indication |
|---|---|
| 1 | Incomplete optical colonoscopy — capsule endoscopy for colon polyp detection or surveillance when a complete optical colonoscopy was not technically possible despite adequate bowel prep. |
| 2 | Chronic diarrhea workup — after non-diagnostic EGD with biopsies (CPT 43239), colonoscopy with biopsies (CPT 45378, 45380), and negative stool cultures (CPT 87045, 87046, 87070, 87071, 87073) to exclude celiac disease. |
| 3 | Familial adenomatous polyposis (FAP), attenuated FAP (AFAP), and MUTYH-associated polyposis — molecular pathology codes 81405 and 81406 for SMAD4 mutations are listed in the policy, though no specific code exists for the BMPRI1A mutation itself. |
| 4 | Juvenile polyposis syndrome — defined as five or more juvenile polyps in the colorectum, any juvenile polyps elsewhere in the GI tract, or confirmed SMAD4 or BMPRI1A mutations. |
| 5 | Known or suspected small bowel tumors — includes genetic polyposis syndromes. |
| 6 | Locoregional carcinoid tumors of the small bowel — ICD-10 codes C7a.10 through C7a.19 apply here. |
| 7 | Celiac disease with positive serology, unable to undergo EGD — covers patients who are medically unstable or have known or suspected perforated viscus. |
| 8 | Peutz-Jeghers syndrome (PJS) — defined as perioral or buccal pigmentation and/or two or more histologically characteristic hamartomatous polyps, family history of PJS, or STK11 mutations. |
| 9 | Biallelic mismatch repair deficiency (BMMRD) — covered for evaluation. |
| 10 | Celiac disease re-evaluation — for patients who remain symptomatic despite treatment, with no suspected or confirmed GI obstruction, stricture, or fistulae. |
| 11 | Initial diagnosis of suspected Crohn's disease — requires abdominal pain or diarrhea, plus at least one sign of inflammation (fever, elevated WBC, elevated ESR, elevated CRP), with no disease found on conventional tests including small-bowel follow-through or CT/CT enterography and both EGD and colonoscopy. |
| 12 | Crohn's disease re-evaluation — for patients who remain symptomatic despite treatment, with no suspected or confirmed GI obstruction, stricture, or fistulae. |
| 13 | Obscure GI bleeding — requires objective evidence of recurrent bleeding (persistent iron-deficiency anemia, positive fecal occult blood, or visible bleeding) and both upper and lower endoscopies within the past 12 months that failed to find the source. |
| 14 | Lynch syndrome and other polyposis syndromes — surveillance of small intestinal tumors in Lynch syndrome, Peutz-Jeghers syndrome, and other polyposis syndromes affecting the small bowel. |
| 15 | Esophageal varices screening/surveillance — in cirrhotic patients with Child-Pugh Class B or higher, or other situations where standard upper endoscopy with sedation or anesthesia is contraindicated. |
The documentation bar on several of these is high. For Crohn's initial diagnosis (indication 11), you need negative findings on four separate prior tests before Aetna considers capsule endoscopy medically necessary. For obscure GI bleeding (indication 13), both endoscopies must have been done within the past 12 months. Miss that window and you have a claim denial waiting.
This policy doesn't mention prior authorization by name, but the clinical prerequisite chain on several indications functions exactly like a prior auth checklist. Your reimbursement depends on having that documentation in the chart before the procedure happens—not after.
Aetna Capsule Endoscopy Exclusions and Non-Covered Indications
CPT 0651T — magnetically controlled capsule endoscopy, esophagus through stomach — is explicitly not covered under this policy. Aetna considers it experimental or investigational for the indications listed in CPB 0588. Don't bill it and expect payment.
CPT 91113, which covers colon capsule endoscopy, and CPT 0095U (an inflammation ELISA for eosinophilic esophagitis) fall into a separate group in the policy labeled "Cytosponge capsule, Artificial intelligence in reviewing colonic images." The policy groups these codes separately from the covered codes, which signals non-coverage or investigational status for these specific applications. If you're billing 91113 for colon capsule endoscopy outside of an incomplete optical colonoscopy scenario, check this carefully with your compliance officer before the claim goes out.
The radiology planning codes 77261, 77262, 77263, and 77299 are listed in the policy under the BMPRI1A mutation group. Their relationship to capsule endoscopy reimbursement is not self-evident. These appear to be associated codes included for reference, not for direct billing alongside capsule endoscopy. If you're unsure how these apply to your patient mix, talk to your billing consultant before September 26, 2025.
Coverage Indications at a Glance
| Indication | Status | Relevant Codes | Notes |
|---|---|---|---|
| Incomplete optical colonoscopy — colon polyp detection/surveillance | Covered | 91110, 91113 | Complete eval not possible despite adequate prep |
| Chronic diarrhea — non-diagnostic EGD, colonoscopy, negative stool cultures | Covered | 91110, 43239, 45378, 45380, 87045–87073 | Must rule out celiac disease first |
| FAP, AFAP, MUTYH-associated polyposis | Covered | 91110, 81405, 81406 | No specific code for BMPRI1A mutation |
| Juvenile polyposis syndrome | Covered | 91110 | 5+ juvenile polyps or confirmed SMAD4/BMPRI1A mutation |
| Known or suspected small bowel tumors | Covered | 91110 | Includes genetic polyposis syndromes |
| Locoregional carcinoid tumors of small bowel | Covered | 91110, C7a.10–C7a.19 | Small bowel location required |
| Celiac disease (positive serology, unable to undergo EGD) | Covered | 91110 | Medical instability or perforated viscus contraindication |
| Peutz-Jeghers syndrome | Covered | 91110 | Pigmentation, polyps, family history, or STK11 mutation |
| Biallelic mismatch repair deficiency (BMMRD) | Covered | 91110 | Evaluation only |
| Celiac disease re-evaluation — symptomatic despite treatment | Covered | 91110 | No GI obstruction, stricture, or fistulae |
| Suspected Crohn's disease — initial diagnosis | Covered | 91110 | Negative conventional workup required first |
| Crohn's disease re-evaluation — symptomatic despite treatment | Covered | 91110 | No GI obstruction, stricture, or fistulae |
| Obscure GI bleeding — recurrent, objective evidence | Covered | 91110 | Both scopes negative within past 12 months |
| Lynch syndrome / polyposis surveillance — small bowel | Covered | 91110 | Surveillance, not initial diagnosis |
| Esophageal varices — cirrhotic, Child-Pugh Class B+ | Covered | 91111 | Standard endoscopy with sedation contraindicated |
| Magnetically controlled capsule endoscopy (esophagus/stomach) | Not Covered | 0651T | Experimental/investigational per CPB 0588 |
| Colon capsule endoscopy / AI colonic image review | Investigational | 91113, 0095U | Separate group; likely non-covered for these applications |
Aetna Capsule Endoscopy Billing Guidelines and Action Items 2025
The effective date is September 26, 2025. Here's what to do before then.
| # | Action Item |
|---|---|
| 1 | Audit your charge capture for CPT 0651T now. If any provider in your group has been billing magnetically controlled capsule endoscopy under 0651T and expecting Aetna coverage, stop. This code is explicitly not covered under CPB 0588. Pull any pending claims that include 0651T for Aetna members and hold them. |
| 2 | Build a 12-month endoscopy lookback into your pre-auth workflow for obscure GI bleeding cases. For indication 13, both EGD and colonoscopy must have been done within the past 12 months and must have failed to find a bleeding source. If that documentation isn't in the chart, Aetna has grounds for a claim denial. Make this a checkbox on your procedure scheduling form before September 26, 2025. |
| 3 | Document the negative conventional workup for every Crohn's initial diagnosis case. Aetna requires negative small-bowel follow-through or CT/CT enterography and both EGD and colonoscopy before capsule endoscopy meets medical necessity for indication 11. Attach those reports to the claim or be ready for them on appeal. |
| 4 | Map your ICD-10 coding to the specific polyposis indications. FAP, AFAP, MUTYH, juvenile polyposis, Peutz-Jeghers, Lynch syndrome, and BMMRD each have distinct ICD-10 codes. Use the most specific code available. D13.91 for familial adenomatous polyposis, D12.6 for juvenile polyposis, and the Lynch syndrome and PJS-specific codes from the policy's 339-code ICD-10 list should all be in your charge capture system. Unspecified or mismatched diagnosis codes are an easy denial vector on high-cost procedures like capsule endoscopy. |
| 5 | Flag the 91113 colon capsule billing guidelines issue with your compliance officer. The policy groups CPT 91113 with investigational applications. If you're billing 91113 for the incomplete colonoscopy indication (which seems clinically logical), Aetna's grouping of that code may create problems. Get clarity before you submit those claims under the new policy version. |
| 6 | Verify esophageal varices cases use CPT 91111, not 91110. Indication 15 — esophageal varices in cirrhotic patients — maps to CPT 91111 (esophageal capsule endoscopy), not 91110. The distinction matters for both coding accuracy and reimbursement rates. |
| Previous Version | Current Version |
|---|---|
| Coverage is considered experimental and investigational for all indications | Coverage is considered medically necessary when specific criteria are met |
| Prior authorization is not required | Prior authorization is required for initial treatment |
| Documentation must include clinical history | Documentation must include clinical history |
| Re-review every 24 months | Re-review every 12 months with updated clinical documentation |
CPT, HCPCS, and ICD-10 Codes for Capsule Endoscopy Under CPB 0588
Covered CPT Codes (When Selection Criteria Are Met)
| Code | Type | Description |
|---|---|---|
| 91110 | CPT | Gastrointestinal tract imaging, intraluminal (capsule endoscopy), esophagus through ileum, with physician interpretation and report |
| 91111 | CPT | Gastrointestinal tract imaging, intraluminal (capsule endoscopy), esophagus with physician interpretation and report |
Supporting / Associated CPT Codes Referenced in Policy
| Code | Type | Description |
|---|---|---|
| 43239 | CPT | Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple |
| 45378 | CPT | Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing |
| 45380 | CPT | Colonoscopy, flexible; with biopsy, single or multiple |
| 81405 | CPT | Molecular pathology procedure, Level 6 — SMAD4 full gene sequence |
| 81406 | CPT | Molecular pathology procedure, Level 7 — SMAD4 full gene sequence |
| 87045 | CPT | Culture, bacterial; stool, aerobic, with isolation and preliminary examination |
| 87046 | CPT | Culture, bacterial; stool, aerobic, additional pathogens |
| 87070 | CPT | Culture, bacterial; any other source except urine, blood or stool, aerobic |
| 87071 | CPT | Culture, bacterial; quantitative, aerobic with isolation |
| 87073 | CPT | Culture, bacterial; quantitative, anaerobic with isolation |
| 77261 | CPT | Therapeutic radiology treatment planning; simple |
| 77262 | CPT | Therapeutic radiology treatment planning; intermediate |
| 77263 | CPT | Therapeutic radiology treatment planning; complex |
| 77299 | CPT | Unlisted procedure, therapeutic radiology clinical treatment planning |
Not Covered / Experimental Codes
| Code | Type | Description | Reason |
|---|---|---|---|
| 0651T | CPT | Magnetically controlled capsule endoscopy, esophagus through stomach, including intraprocedural positioning | Explicitly not covered per CPB 0588 |
| 91113 | CPT | Gastrointestinal tract imaging, intraluminal (capsule endoscopy), colon, with interpretation and report | Grouped with investigational applications (AI/Cytosponge) |
| 0095U | CPT | Inflammation (eosinophilic esophagitis), ELISA analysis of eotaxin-3 | Grouped with investigational applications |
HCPCS Codes Referenced in Policy
| Code | Type | Description |
|---|---|---|
| G0104 | HCPCS | Colorectal cancer screening; flexible sigmoidoscopy |
| G0105 | HCPCS | Colonoscopy on individual at high risk |
Key ICD-10-CM Diagnosis Codes
| Code | Description |
|---|---|
| B76.0–B76.9 | Hookworm disease |
| C15.3–C15.9 | Malignant neoplasm of esophagus |
| C17.0–C17.9 | Malignant neoplasm of small intestine, including duodenum, and colon |
| C7a.10–C7a.19 | Malignant carcinoid tumors of the small intestine |
| C7A.20–C7A.29 | Malignant neoplasm of the appendix, large intestine, and rectum |
| C80.1 | Malignant (primary) neoplasm, unspecified — occult primary malignancy |
| D12.0–D12.9 | Benign neoplasm of colon (includes juvenile polyposis at D12.6) |
| D13.91 | Familial adenomatous polyposis |
The full ICD-10-CM list under CPB 0588 contains 339 codes. Access the complete list at app.payerpolicy.org/p/aetna/0588.
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