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Map-A-Code™ ICD-9 to 10 and back again

View the general equivalency mappings (GEMs) between the ICD-9 and ICD-10 code sets.

Access to this feature is available in the following products:

HCC Coder
Find-A-Code Professional
Find-A-Code Facility Base

SAMPLE:

Map-A-Code uses the Medicare General Equivalence Mappings (GEMs) and Reimbursement Mappings (RMs) to map codes from ICD-9-CM (v1 and v3) to ICD-10-CM and ICD-10-PCS.

1. Select mapping type:

Forward Mappings (ICD-9 to ICD-10 GEMs)

ICD-9-CM to ICD-10-CM
ICD-9 v3 to ICD-10-PCS

Backward Mappings (ICD-10 to ICD-9 GEMs)

ICD-10-CM to ICD-9-CM
ICD-10-PCS to ICD-9 v3

Reimbursement Mappings (ICD-10 to ICD-9 RMs)

ICD-10-CM to ICD-9-CM
ICD-10-PCS to ICD-9 v3

Note: RMs no longer updated as of FY 2017.

2. Enter ICD codes:

ICD-9-CM Example: 001.0 754.35 806.00	ICD-9 v3 Example: 00.01 95.13 21.21
ICD-10-CM Example: A00.0 Q65.02 S12.000A	ICD-10-PCS Example: 6A750Z4 B845ZZZ 09JKXZZ

3. Map Codes

(Formerly ICD-9/10 Cross-A-Code™)

001.0 - Cholera due to vibrio cholerae

A00.0 Cholera due to Vibrio cholerae 01, biovar cholerae

754.35 - Congenital dislocation of one hip with subluxation of other hip

Scenario 1

Q65.01 Congenital dislocation of right hip, unilateral

AND

Q65.32 Congenital partial dislocation of left hip, unilateral

--- OR ---
Scenario 2

Q65.02 Congenital dislocation of left hip, unilateral

AND

Q65.31 Congenital partial dislocation of right hip, unilateral

806.00 - Closed fracture of C1-C4 level with unspecified spinal cord injury

Scenario 1

S14.101A Unspecified injury at C1 level of cervical spinal cord, initial encounter

AND

Choose one of:
S12.000A Unspecified displaced fracture of first cervical vertebra, initial encounter for closed fracture
S12.001A Unspecified nondisplaced fracture of first cervical vertebra, initial encounter for closed fracture

--- OR ---
Scenario 2

S14.102A Unspecified injury at C2 level of cervical spinal cord, initial encounter

AND

Choose one of:
S12.100A Unspecified displaced fracture of second cervical vertebra, initial encounter for closed fracture
S12.101A Unspecified nondisplaced fracture of second cervical vertebra, initial encounter for closed fracture

--- OR ---
Scenario 3

S14.103A Unspecified injury at C3 level of cervical spinal cord, initial encounter

AND

Choose one of:
S12.200A Unspecified displaced fracture of third cervical vertebra, initial encounter for closed fracture
S12.201A Unspecified nondisplaced fracture of third cervical vertebra, initial encounter for closed fracture

--- OR ---
Scenario 4

S14.104A Unspecified injury at C4 level of cervical spinal cord, initial encounter

AND

Choose one of:
S12.301A Unspecified nondisplaced fracture of fourth cervical vertebra, initial encounter for closed fracture
S12.300A Unspecified displaced fracture of fourth cervical vertebra, initial encounter for closed fracture

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