153 Classification Number

Field definition and scope:

Field 153 contains a single classification number or span from a schedule or number(s) from a table and its associated caption and caption hierarchy.

Field 153 is NOT repeatable.

Guidelines for applying content designators:

For indicator and subfield code definitions and examples, and designator repeatability, see table below:

Position	Description	Repeatability
Field 153	Classification Number	NR
Indicator:
First	Undefined; contains a blank
Second	Undefined; contains a blank

Subfield code:
$a	Classification number - single number or beginning number of span	R
$c	Classification number - ending number of span	R
$e	Classification number hierarchy - single number or beginning number of span	R
$f	Classification number hierarchy - ending number of span	R
$h	Caption hierarchy	R
$j	Caption	NR
$k	Summary number span caption hierarchy	R
$y	Table sequence number for internal subarrangement or add table	R
$z	Table identification	R
$6	Linkage	NR
$8	Field link and sequence number	R

See: Examples for this field.

Input conventions:

Scheme-specific conventions:

Content designator history:

Subfield $e - Classification number hierarchy - single number or beginning number of span [new, 2008]

Subfield $f - Classification number hierarchy - ending number of span [new, 2008]

Subfield $y - Table sequence number for internal subarrangement or add table [new, 2008]

Subfield $z - Table identification [redefined, 2008]: Subfield $z was redefined as repeatable.