Today you will find The BCBS Alpha Numeric Prefix List from H2A to H9Z. The alpha Numeric prefix is very important to the identification number. The prefix acts as a key element in confirming the members’ eligibility and coverage information. Prefixes are also used to identify and correctly route claims to the appropriate Blue Cross Blue Shield Plan for processing.
Most members with coverage through a Blue Cross Blue Shield Plan are assigned a Three Letter alpha prefix as a part of their unique identification number. The alpha prefix can easily be identified as it is the first three characters.

S.No | Prefix | BCBS Company Name |
---|---|---|
1 | H2A | Blue Cross Blue Shield of Illinois |
2 | H2B | Blue Cross Blue Shield of Western New York |
3 | H2C | Blue Cross Blue Shield of Illinois |
4 | H2D | Blue Cross Blue Shield of Illinois |
5 | H2E | Blue Cross Blue Shield of Illinois |
6 | H2F | Anthem Blue Cross Blue Shield of Indiana |
7 | H2G | Blue Cross Blue Shield of Texas |
8 | H2H | Arkansas Blue Cross |
9 | H2I | Unassigned Prefix |
10 | H2J | Blue Cross Blue Shield of Illinois |
11 | H2K | Blue Cross Blue Shield of Illinois |
12 | H2L | Anthem Blue Cross Blue Shield of Indiana |
13 | H2M | Anthem Blue Cross Blue Shield of Virginia |
14 | H2N | Horizon Blue Cross Blue Shield |
15 | H2O | Highmark Blue Cross Blue Shield |
16 | H2P | Blue Cross Blue Shield of Illinois |
17 | H2Q | Anthem Blue Cross Blue Shield of Virginia |
18 | H2R | Blue Cross Blue Shield of Western New York |
19 | H2S | Anthem Blue Cross Blue Shield of Indiana |
20 | H2T | Blue Cross Blue Shield of Western New York |
21 | H2U | Anthem Blue Cross Blue Shield of Indiana |
22 | H2V | Carefirst Blue Cross Blue Shield |
23 | H2W | Horizon Blue Cross Blue Shield |
24 | H2X | Blue Cross of Massachusetts |
25 | H2Y | Horizon Blue Cross Blue Shield |
26 | H2Z | Horizon Blue Cross Blue Shield |
27 | H3A | Highmark Blue Cross Blue Shield |
28 | H3B | Highmark Blue Cross Blue Shield |
29 | H3C | Anthem Blue Cross Blue Shield of Virginia |
30 | H3D | Blue Cross Blue Shield of Illinois |
31 | H3E | Highmark Blue Cross Blue Shield |
32 | H3F | Anthem Blue Cross Blue Shield of Virginia |
33 | H3G | Premera Blue Cross Blue Shield of Alaska |
34 | H3H | Anthem Blue Cross Blue Shield of Virginia |
35 | H3I | Highmark Blue Cross Blue Shield |
36 | H3J | Anthem Blue Cross Blue Shield of Virginia |
37 | H3K | Anthem Blue Cross Blue Shield of Virginia |
38 | H3L | Highmark Blue Cross Blue Shield |
39 | H3M | Blue Cross Blue Shield of Texas |
40 | H3N | Anthem Blue Cross of California |
41 | H3O | Unassigned Prefix |
42 | H3P | Highmark Blue Cross Blue Shield |
43 | H3Q | Highmark Blue Cross Blue Shield |
44 | H3R | Blue Cross Blue Shield of Illinois |
45 | H3S | Horizon Blue Cross Blue Shield |
46 | H3T | Blue Cross Blue Shield of Western New York |
47 | H3U | Blue Cross Blue Shield of Illinois |
48 | H3V | Blue Cross Blue Shield of Illinois |
49 | H3W | Anthem Blue Cross Blue Shield of Virginia |
50 | H3X | Blue Cross Blue Shield of Illinois |
51 | H3Y | Blue Cross Blue Shield of Illinois |
52 | H3Z | Anthem Blue Cross Blue Shield of Virginia |
53 | H4A | Blue Cross Blue Shield of Illinois |
54 | H4B | Blue Cross Blue Shield of Illinois |
55 | H4C | Anthem Blue Cross Blue Shield of Virginia |
56 | H4D | Blue Cross Blue Shield of Illinois |
57 | H4E | Blue Cross Blue Shield of Illinois |
58 | H4F | Highmark Blue Cross Blue Shield |
59 | H4G | Anthem Blue Cross of California |
60 | H4H | Blue Cross Blue Shield of Rhode Island |
61 | H4I | Highmark Blue Shield of Northeastern New York |
62 | H4J | Highmark Blue Cross Blue Shield |
63 | H4K | Highmark Blue Cross Blue Shield |
64 | H4L | Highmark Blue Cross Blue Shield |
65 | H4M | Anthem Blue Cross Blue Shield of Virginia |
66 | H4N | Anthem Blue Cross of California |
67 | H4O | Anthem Blue Cross of California |
68 | H4P | Blue Cross Blue Shield of Western New York |
69 | H4Q | Blue Cross Blue Shield of Alabama |
70 | H4R | Anthem Blue Cross Blue Shield of Colorado |
71 | H4S | Anthem Blue Cross Blue Shield of Indiana |
72 | H4T | Blue Cross Blue Shield of Texas |
73 | H4U | Blue Cross Blue Shield of Illinois |
74 | H4V | Blue Cross Blue Shield of Texas |
75 | H4W | Anthem Blue Cross Blue Shield of Georgia |
76 | H4X | Anthem Blue Cross Blue Shield of Wisconsin |
77 | H4Y | Blue Cross Blue Shield of Illinois |
78 | H4Z | Horizon Blue Cross Blue Shield |
79 | H5A | Anthem Blue Cross of California |
80 | H5B | Blue Cross Blue Shield of Texas |
81 | H5C | Horizon Blue Cross Blue Shield |
82 | H5D | Blue Cross Blue Shield of Texas |
83 | H5E | Blue Cross Blue Shield of Texas |
84 | H5F | Blue Cross Blue Shield of Texas |
85 | H5G | Anthem Blue Cross Blue Shield of Virginia |
86 | H5H | Blue Cross Blue Shield of Texas |
87 | H5I | Unassigned Prefix |
88 | H5J | Blue Cross Blue Shield of Texas |
89 | H5K | Horizon Blue Cross Blue Shield |
90 | H5L | Blue Cross Blue Shield of Illinois |
91 | H5M | Anthem Blue Cross Blue Shield of Virginia |
92 | H5N | Anthem Blue Cross Blue Shield of Virginia |
93 | H5O | Unassigned Prefix |
94 | H5P | Anthem Blue Cross of California |
95 | H5Q | Anthem Blue Cross of California |
96 | H5R | Horizon Blue Cross Blue Shield |
97 | H5S | Highmark Blue Cross Blue Shield of Wester New York |
98 | H5T | Anthem Blue Cross Blue Shield of Virginia |
99 | H5U | Anthem Blue Cross of California |
100 | H5V | Anthem Blue Cross Blue Shield of Virginia |
101 | H5W | Anthem Blue Cross Blue Shield of Georgia |
102 | H5X | Blue Cross Blue Shield of Illinois |
103 | H5Y | Blue Cross Blue Shield of Illinois |
104 | H5Z | Unassigned Prefix |
105 | H6A | Blue Cross Blue Shield of Illinois |
106 | H6B | Empire Blue Cross Blue Shield |
107 | H6C | Anthem Blue Cross Blue Shield of Virginia |
108 | H6D | Anthem Blue Cross of California |
109 | H6E | Carefirst Blue Cross Blue Shield |
110 | H6F | Empire Blue Cross Blue Shield |
111 | H6G | Anthem Blue Cross of California |
112 | H6H | Regence Blue Cross Blue Shield |
113 | H6I | Anthem Blue Cross Blue Shield of Indiana |
114 | H6J | Highmark Blue Cross Blue Shield of Delaware |
115 | H6K | Empire Blue Cross Blue Shield |
116 | H6L | Highmark Blue Shield |
117 | H6M | Premera Blue Cross Blue Shield of Alaska |
118 | H6N | Anthem Blue Cross Blue Shield of Virginia |
119 | H6O | Unassigned Prefix |
120 | H6P | Blue Cross of Massachusetts |
121 | H6Q | Anthem Blue Cross Blue Shield of Ohio |
122 | H6R | Anthem Blue Cross of California |
123 | H6S | Anthem Blue Cross Blue Shield of Connecticut |
124 | H6T | Anthem Blue Cross Blue Shield of Connecticut |
125 | H6U | Highmark Blue Cross Blue Shield |
126 | H6V | Highmark Blue Cross Blue Shield of Delaware |
127 | H6W | Anthem Blue Cross Blue Shield of Georgia |
128 | H6X | Anthem Blue Cross of California |
129 | H6Y | Blue Cross Blue Shield of Illinois |
130 | H6Z | Horizon Blue Cross Blue Shield |
131 | H7A | Blue Cross Blue Shield of Illinois |
132 | H7B | Horizon Blue Cross Blue Shield |
133 | H7C | Blue Cross Blue Shield of Illinois |
134 | H7D | Blue Cross Blue Shield of Illinois |
135 | H7E | Anthem Blue Cross Blue Shield of Indiana |
136 | H7F | Blue Cross Blue Shield of Rhode Island |
137 | H7G | Regence Blue Cross Blue Shield |
138 | H7H | Anthem Blue Cross Blue Shield of Indiana |
139 | H7I | Unassigned Prefix |
140 | H7J | Horizon Blue Cross Blue Shield |
141 | H7K | Anthem Blue Cross Blue Shield of Indiana |
142 | H7L | Anthem Blue Cross Blue Shield of Indiana |
143 | H7M | Blue Cross Blue Shield of Michigan |
144 | H7N | Blue Cross Blue Shield of Michigan |
145 | H7O | Unassigned Prefix |
146 | H7P | Horizon Blue Cross Blue Shield |
147 | H7Q | Highmark Blue Shield |
148 | H7R | Blue Cross of Vermont |
149 | H7S | Highmark Blue Shield |
150 | H7T | Blue Cross Blue Shield of Texas |
151 | H7U | Highmark Blue Shield |
152 | H7V | Anthem Blue Cross Blue Shield of Indiana |
153 | H7W | Anthem Blue Cross Blue Shield of Indiana |
154 | H7X | Unassigned Prefix |
155 | H7Y | Unassigned Prefix |
156 | H7Z | Horizon Blue Cross Blue Shield |
157 | H8A | Anthem Blue Cross Blue Shield of Virginia |
158 | H8B | Blue Cross Blue Shield of Illinois |
159 | H8C | Anthem Blue Cross Blue Shield of Colorado |
160 | H8D | Blue Cross Blue Shield of Illinois |
161 | H8E | Regence Blue Cross Blue Shield |
162 | H8F | Highmark Blue Shield |
163 | H8G | Anthem Blue Cross Blue Shield of Georgia |
164 | H8H | Anthem Blue Cross Blue Shield of Ohio |
165 | H8I | Anthem Blue Cross Blue Shield of Indiana |
166 | H8J | Highmark Blue Cross Blue Shield |
167 | H8K | Blue Cross Blue Shield of Illinois |
168 | H8L | Blue Cross Blue Shield of Illinois |
169 | H8M | Empire Blue Cross Blue Shield |
170 | H8N | Anthem Blue Cross Blue Shield of Nevada |
171 | H8O | Unassigned Prefix |
172 | H8P | Anthem Blue Cross of California |
173 | H8Q | Unassigned Prefix |
174 | H8R | Anthem Blue Cross Blue Shield of Missouri |
175 | H8S | Florida Blue |
176 | H8T | Anthem Blue Cross of California |
177 | H8U | Blue Cross Blue Shield of Illinois |
178 | H8V | Anthem Blue Cross Blue Shield of Virginia |
179 | H8W | Anthem Blue Cross Blue Shield of Wisconsin |
180 | H8X | Anthem Blue Cross of California |
181 | H8Y | Anthem Blue Cross Blue Shield of Kentucky |
182 | H8Z | Horizon Blue Cross Blue Shield |
183 | H9A | Anthem Blue Cross of California |
184 | H9B | Regence Blue Cross Blue Shield |
185 | H9C | Blue Cross Blue Shield of Illinois |
186 | H9D | Anthem Blue Cross Blue Shield of New Hampshire |
187 | H9E | Anthem Blue Cross Blue Shield of Missouri |
188 | H9F | Anthem Blue Cross Blue Shield of Virginia |
189 | H9G | Anthem Blue Cross Blue Shield of Georgia |
190 | H9H | Anthem Blue Cross Blue Shield of Ohio |
191 | H9I | Anthem Blue Cross Blue Shield of Indiana |
192 | H9J | Blue Cross Blue Shield of Minnesota |
193 | H9K | Blue Cross Blue Shield of Illinois |
194 | H9L | Blue Cross Blue Shield of Illinois |
195 | H9M | Anthem Blue Cross Blue Shield of Missouri |
196 | H9N | Empire Blue Cross Blue Shield |
197 | H9O | Unassigned Prefix |
198 | H9P | Anthem Blue Cross Blue Shield of Georgia |
199 | H9Q | Anthem Blue Cross of California |
200 | H9R | Blue Cross Blue Shield of Minnesota |
201 | H9S | Carefirst Blue Cross Blue Shield |
202 | H9T | Blue Cross of Vermont |
203 | H9U | Blue Cross Blue Shield of Illinois |
204 | H9V | Anthem Blue Cross Blue Shield of Virginia |
205 | H9W | Anthem Blue Cross Blue Shield of Wisconsin |
206 | H9X | Anthem Blue Cross Blue Shield of Missouri |
207 | H9Y | Anthem Blue Cross Blue Shield of Kentucky |
208 | H9Z | Anthem Blue Cross of California |
Some identification cards may not include an alpha prefix, which may indicate that the claim filing instructions for these type policies are different. We suggest that you verify claim filing instructions during the time eligibility information is obtained. If not, please follow the instructions on the back of the member’s ID card or contact the plan directly. Member eligibility can be obtained at 1 (800) 676-BLUE (2583). Once connected, you will then simply provide the alpha prefix and the operator will then route you to the member’s plan. Helpful Tips Related to the Alpha Prefix:
- Do not omit or randomly select an alpha prefix.
- Do not substitute another Blue Cross Blue Shield Member’s prefix.
- Include the alpha prefix and all alpha numeric characters preceding the alpha prefix on all correspondence and claims submitted to Blue Cross Blue Shield of Texas.
- The alpha prefix is always three letters followed by the member’s ID number which can be from 6 up to 14 characters total.
- If possible, make copies of the member’s ID card (front and back) for your records.
- We recommend that you obtain a copy of the ID card any time there has been a coverage or policy change. If there are no changes, we suggest that you obtain card copies annually.
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Billing Executive – a Medical Billing and Coding Knowledge Base for Physicians, Office staff, Medical Billers and Coders, including resources pertaining to HCPCS Codes, CPT Codes, ICD-10 billing codes, Modifiers, POS Codes, Revenue Codes, Billing Errors, Denials and Rejections.
Read More:
BCBS Alpha Numeric Prefix List (E2A to E9Z)
BCBS Alpha Numeric Prefix List (A2A To A9Z)
DENIAL CODE CO-197: How to Avoid Pre-Authorization Denial?
CO 119 & PR 119 – Benefit Maximum for this Time Period has been Reached
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