| Vocabulary Type | Code System - Universal |
| Concept Domain | Encoding Characters |
| Code System Name | |
| Code System Identifier | |
| Code System OID | |
| HL7 Table Identifier | HL70290 |
| Version | |
| Status | Active |
| Where Used | |
| Purpose and Use | Table of encoding characters used for base64 MIME encoding. Base64 is defined as follows (adapted from MIME Internet standard RFC 1521). |
| Code | Display | Definition | Deprecated |
|---|---|---|---|
| 0 | A | A | |
| 1 | B | B | |
| 2 | C | C | |
| 3 | D | D | |
| 4 | E | E | |
| 5 | F | F | |
| 6 | G | G | |
| 7 | H | H | |
| 8 | I | I | |
| 9 | J | J | |
| 10 | K | K | |
| 11 | L | L | |
| 12 | M | M | |
| 13 | N | N | |
| 14 | O | O | |
| 15 | P | P | |
| 16 | Q | Q | |
| 17 | R | R | |
| 18 | S | S | |
| 19 | T | T | |
| 20 | U | U | |
| 21 | V | V | |
| 22 | W | W | |
| 23 | X | X | |
| 24 | Y | Y | |
| 25 | Z | Z | |
| 26 | a | a | |
| 27 | b | b | |
| 28 | c | c | |
| 29 | d | d | |
| 30 | e | e | |
| 31 | f | f | |
| 32 | g | g | |
| 33 | h | h | |
| 34 | I | I | |
| 35 | j | j | |
| 36 | k | k | |
| 37 | l | l | |
| 38 | m | m | |
| 39 | n | n | |
| 40 | o | o | |
| 41 | p | p | |
| 42 | q | q | |
| 43 | r | r | |
| 44 | s | s | |
| 45 | t | t | |
| 46 | u | u | |
| 47 | v | v | |
| 48 | w | w | |
| 49 | x | x | |
| 50 | y | y | |
| 51 | z | z | |
| 52 | 0 | 0 | |
| 53 | 1 | 1 | |
| 54 | 2 | 2 | |
| 55 | 3 | 3 | |
| 56 | 4 | 4 | |
| 57 | 5 | 5 | |
| 58 | 6 | 6 | |
| 59 | 7 | 7 | |
| 60 | 8 | 8 | |
| 61 | 9 | 9 | |
| 62 | + | + | |
| 63 | / | / | |
| (pad) | = | = |