D51.0 Insurance Policy Changes

ICD-10 D51.0 is officially defined as "Vitamin B12 deficiency anemia due to intrinsic factor deficiency." code D51.0 is referenced in 4 tracked payer policy changes from Aetna. For billers and coders, staying current on payer-specific coverage criteria, reimbursement rules, and prior-authorization requirements for code D51.0 is critical to clean claim submission. Each entry below links to the full policy analysis with effective dates and action steps.

Aetna · Identified Oct 6, 2026Medium impact
Vitamin B-12 Therapy (CPB 0536, reviewed 2026-08-20)
Aetna covers intramuscular or subcutaneous vitamin B-12 injections for members with current or previously documented B-12 deficiency and a listed condition, such as pernicious anemia, malabsorption syndromes, gastrectomy, acute neuropathy due to malnutrition or alcohol use disorder, dementia secondary to B-12 deficiency, or treatment with methotrexate, pralatrexate or pemetrexed. Homocysteine testing (CPT 83090) is covered for borderline B-12 deficiency when the result will affect the member's management. Injections for all other indications are considered experimental, investigational or unproven, including depression, autism, migraine prophylaxis, diabetic peripheral neuropathy and tinnitus, and holotranscobalamin measurement is considered unproven because its clinical value has not been established.
Aetna · Identified Aug 19, 2026Medium impact
Vitamin B-12 Therapy (CPB 0536, reviewed 2025-08-21)
Aetna covers intramuscular or subcutaneous vitamin B-12 injections as medically necessary only for members with current or previously documented B-12 deficiency and one of the listed diagnoses, including pernicious anemia, malabsorption syndromes, gastrectomy or small intestine surgery, certain neuropathies, dementia secondary to B-12 deficiency, metformin-related deficiency, methotrexate or pralatrexate use, and pemetrexed (Alimta) use. Aetna considers vitamin B-12 injections for all other indications experimental, investigational or unproven, including autism, depression, fibromyalgia, migraine prophylaxis, and weight loss. Homocysteine measurement is medically necessary in persons with borderline vitamin B-12 deficiency when the results will impact the member's management, while holotranscobalamin measurement for diagnosing B-12 deficiency is listed as unproven.
Aetna · Identified Aug 18, 2026Medium impact
Upper Gastrointestinal Endoscopy and Gastrointestinal Biopsy (CPB 0738, reviewed 2025-10-29)
Upper gastrointestinal endoscopy (EGD) and GI biopsy are considered medically necessary when the listed criteria are met. Covered high-risk screening includes persons with chronic GERD of 5 years or more who are at risk for Barrett's esophagus, symptomatic pernicious anemia, and cirrhosis with portal hypertension and no prior variceal hemorrhage, and the policy also lists covered diagnostic, therapeutic and sequential or periodic surveillance indications. Routine screening EGD, EGD before bariatric surgery in asymptomatic persons, repeat EGD after a prior normal EGD when symptoms remain unchanged, and EGD for symptoms considered functional in origin are listed as experimental, investigational, or unproven. This is the full policy text is labeled as reviewed 2025-10-29 and includes no change note, and its policy history shows an original effective date of 11/09/2007.
Aetna · Identified Aug 13, 2026Medium impact
Pediatric Intensive Feeding Programs (CPB 0809, reviewed 2025-12-11)
Aetna considers professional services for pediatric intensive feeding programs medically necessary for infants and children with complex feeding and swallowing disorders when an interdisciplinary team provides the care and every listed condition is met. Those conditions include behavior problems interfering with feeding, a documented diagnosis-specific treatment plan with estimated length of treatment, medical causes of failure to thrive treated without resolving the feeding problem, physician coordination and oversight, one of the listed feeding problems, and no response to initial treatment by a single discipline over a 2-month period. Other indications, such as childhood obesity and Prader-Willi syndrome, are considered experimental, investigational, or unproven, and electrical stimulation for swallowing or feeding disorders is also considered experimental, investigational, or unproven.

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FREQUENTLY ASKED QUESTIONS

What insurance policy changes affect code D51.0?

There are 4 tracked policy changes affecting code D51.0, including updates from Aetna. Each change may modify coverage criteria, reimbursement rates, or prior-authorization requirements.

Which payers have updated policy for code D51.0?

Payers that have issued tracked updates for code D51.0 include: Aetna.

How do I get notified when code D51.0 policy changes?

Create a free account at PolicyChanges.app and save a search filtered to code D51.0. You will get an email when new policy changes reference this code: daily or weekly, your choice, on every plan.

Why do payers change policies for code D51.0?

Payers revise policies for individual billing codes to align with updated clinical guidelines, CMS rule changes, fraud and abuse prevention measures, or network cost-management goals. Changes can affect medical necessity criteria, place-of-service restrictions, bundling rules, or whether a code requires prior authorization.

All billing codes J3590 C9399 J3490 99215 99213 99202

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Vitamin B-12 Therapy (CPB 0536, reviewed 2026-08-20)

Vitamin B-12 Therapy (CPB 0536, reviewed 2025-08-21)

Upper Gastrointestinal Endoscopy and Gastrointestinal Biopsy (CPB 0738, reviewed 2025-10-29)

Pediatric Intensive Feeding Programs (CPB 0809, reviewed 2025-12-11)

What insurance policy changes affect code D51.0?

Which payers have updated policy for code D51.0?

How do I get notified when code D51.0 policy changes?

Why do payers change policies for code D51.0?