Table 0290: MIME base64 encoding characters

Table of encoding characters used for base64 MIME encoding. Base64 is defined as follows (adapted from MIME Internet standard RFC 1521).

Type

HL7-defined

Codes

65

Introduced

HL7 v2.3

THO code system

http://terminology.hl7.org/CodeSystem/v2-0290

OID

2.16.840.1.113883.18.180

HL7-defined: The standard fixes the values. PipeHat flags codes outside this list as warnings.

Codes

Code	Meaning	Status
0	A
1	B
2	C
3	D
4	E
5	F
6	G
7	H
8	I
9	J
10	K
11	L
12	M
13	N
14	O
15	P
16	Q
17	R
18	S
19	T
20	U
21	V
22	W
23	X
24	Y
25	Z
26	a
27	b
28	c
29	d
30	e
31	f
32	g
33	h
34	I
35	j
36	k
37	l
38	m
39	n
40	o
41	p
42	q
43	r
44	s
45	t
46	u
47	v
48	w
49	x
50	y
51	z
52	0
53	1
54	2
55	3
56	4
57	5
58	6
59	7
60	8
61	9
62	+
63	/
(pad)	=	deprecated

Source: HL7 Terminology (THO) 7.4.0, published by HL7 International under CC0. Check your trading partner's specification for the values they actually send.