Attachment A OASIS C1/ICD-9 to OASIS C1/ICD-10 changes

OASIS C1/ICD-9 to OASIS C1/ICD-10 changes

M1011

List each Inpatient Diagnosis and ICD10-C M code at the level of highest
specificity for only those conditions
actively treated during an inpatient stay
having a discharge date within the last
14 days (no V, W, X, Y, or Z codes or
surgical codes):

S

R

F

M1016

Diagnoses Requiring Medical or
Treatment Regimen Change Within Past
14 Days: List the patient's Medical
Diagnoses and ICD-19-C M codes at the
level of highest specificity for those
conditions requiring changed medical or
treatment regimen within the past 14 days
(no surgical, E-codes, or V-codes):

Revised to accommodate ICD10 coding (added space for 7
digit codes, changed
references to E and V codes).

M1017

Diagnoses Requiring Medical or
Treatment Regimen Change Within
Past 14 Days: List the patient's Medical
Diagnoses and ICD-10-C M codes at the
level of highest specificity for those
conditions requiring changed medical or
treatment regimen within the past 14
days (no V, W, X, Y, or Z codes or
surgical codes):

S

R

M1020

Primary Diagnosis & Degree of Symptom Revised to accommodate ICD10 coding (added space for 7
Control
digit codes, changed
references to E and V codes).

M1021

Primary Diagnosis & Degree of
Symptom Control

S

R

F

M1022

Other Diagnoses & Degree of Symptom
Control

Revised to accommodate ICD10 coding (added space for 7
digit codes, changed
references to E and V codes).

M1023

Other Diagnoses & Degree of Symptom
Control

S

R

F

M1024

Payment Diagnoses

Revised to accommodate ICD10 coding (added space for 7
digit codes, changed
references to E and V codes).
Added disclaimer that optional
diagnoses will not affect
payment, and are intended to
be used to report diagnoses
for resolved conditions.

M1025

Optional Diagnoses

S

R

F

DRAFT OASIS-C1

12/4/2014

DAH

Item Description

DC

Item #

TRF

OASIS C1 Time Points
FU

M1010

Item Description
Items to be Used at Specific Time Points Inserted M1011 at Follow-up.
Changed M1020 to M1021
List each Inpatient Diagnosis and ICD-9- Revised to accommodate ICDC M code at the level of highest specificity 10 coding (added space for 7
for only those conditions treated during an digit codes, changed
inpatient stay within the last 14 days (no E- references to E and V codes).
Added NA response to be
codes, or V-codes):
used at follow-up time point.
Added follow-up time point to
time points collected.

OASIS C1/ICD-10 Item

ROC

Item #

Change Description

SOC

OASIS C1/ICD-9 Item

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