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Medicare AdvantagePrior AuthMedium impact

[Ohio] Precertification/prior authorization change to the parenteral nutrition codes listed

Anthem BCBS·OH · Gastroenterology, General Surgery, Internal Medicine +3 more·Provider Bulletin
Effective date
Jul 1, 2026
We identified it
May 27, 2026
Days to comply

Summary

Effective July 1, 2026, Anthem Medicare Advantage plans in Ohio will require precertification/prior authorization for 20 parenteral nutrition HCPCS codes (B4164, B4168, B4172, B4176, B4178, B4180, B4185, B4187, B4189, B4193, B4197, B4199, B4216, B4220, B4222, B4224, B5000, B5100, B5200) aligned with CMS LCD L38953. Claims lacking prior authorization approval may be denied as ineligible for payment.

Action Required

Action needed
By June 30, 2026: Billing team must update billing system to require prior authorization for all 19 parenteral nutrition codes (B4164, B4168, B4172, B4176, B4178, B4180, B4185, B4187, B4189, B4193, B4197, B4199, B4216, B4220, B4222, B4224, B5000, B5100, B5200) when submitting claims to Anthem Medicare Advantage plans for Ohio members. Before submitting any of these codes on or after July 1, 2026, obtain and document prior authorization approval by submitting medical records demonstrating a permanently nonfunctioning gastrointestinal tract per CMS LCD L38953 criteria via Availity Essentials or by calling Provider Services. Providers must ensure documentation aligns with LCD L38953 medical necessity requirements. Failure to obtain required prior authorization will result in claim denials and ineligible for payment determinations. Update encounter forms and internal workflows to prompt clinical staff to communicate medical justification to billing team before service delivery.

Affected Billing Codes

B4164
B4168
B4172
B4176
B4178
B4180
B4185
B4187
B4189
B4193
B4197
B4199
B4216
B4220
B4222
B4224
B5000
B5100
B5200