ICD-10-AM Mapping Tables
About mapping
The term mapping refers to the process of linking or associating concepts from
one system to concepts in another system. Mapping tables are useful if data are
recorded in one classification but need to be reported in another. They are also
useful for determing the comparability of two classifications. In this case, the
tables highlight differences between different versions of a classification,
such as: deleted codes, new codes, expanded or more specific codes.
Mappings between classifications can be described as forward mappings
or backward mappings
Forward mapping is where a code from
a classification is mapped to a code in a more recent or more relevant classification,
for example:
- ICD-10 to ICD-10-AM First Edition
- ICD-10-AM/ACHI Fifth Edition to ICD-10-AM/ACHI Sixth Edition
Backward mapping is where a code from
a new classification is mapped to a code in an older classification or previous
version of a classification, for example:
- ICD-10-AM First Edition to ICD-10
- ICD-10-AM/ACHI Sixth Edition to ICD-10-AM/ACHI Fifth Edition
Maps can be one-to-one maps or one-to-many maps
One-to-one map - a single ICD-10-AM/ACHI Fifth Edition code
maps to a single ICD-10-AM/ACHI Sixth Edition code.
One-to-many map- a single ICD-10-AM/ACHI Fifth Edition code
maps to more than one ICD-10-AM/ACHI Sixth Edition code.
The following mappings tables are available:
ICD-10-AM/ACHI Sixth Edition - ICD-10-AM/ACHI Fifth Edition mapping
tables
Mapping tables between the Fifth and Sixth Editions are now available for
purchase.
ICD-10-AM/ACHI Fifth Edition - ICD-10-AM Fourth Edition mapping
tables
Mapping tables between the Fourth and Fifth Editions are now available for
purchase.
ICD-10-AM Fourth Edition - ICD-10-AM Third Edition mapping tables
Mapping tables between the Third and Fourth Editions are now available for
purchase.
The following mapping tables can be downloaded for free:
ICD-10-AM Third Edition Mappings
(97 Kb)
ICD-10-AM Second Edition Mapping Tables
(650 Kb)
ICD-9-CM / ICD-10-AM First Edition Mappings
(296 Kb)
If you have problems downloading the files please contact the NCCH Publications
Division at NCCH sales.
See also
ICD-10 mapping tables.
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