Age Change/Category of Service/Code Updat/Diagnosis Indicators/Encounter Edit Status List
Codes/Frequency
Modifier 80 for Provider Types 18 & 19 Clarification/Modifiers
Procedure Daily Limits
Provider Type
Place of Service
Revenue code/Sex Indicator

September/October 2019

Age Change Bill Type Code Updates Coverage Code
Class Code
Place of Service
Prior Authorization
Procedure Daily Limit
Provider Type

July/August 2019

Age Limit
Encounter Processing Schedule
Category of Service
Codes
Modifiers
Place of Service

May/June 2019

Age Change
Category of Service (COS)
Coverage Code
Definition Change
ICD-10
Modifiers
Place of Service (POS)
Procedure Daily Limit
Procedure Daily Maximum
Provider Type
Revenue Code

March/April 2019

Age Change
Code Changes
Coverage Code
Frequency Limits
Modifiers
Place of Service (POS)
Procedure Daily Limit
Provider Type
Revenue Code

January/February 2019

Encounter Processing Schedules Coverage Code & Coverage Code Changes
Age Limits
Modifiers
Provider Type
Place of Service Revenue Code

2018 Editions

November/December 2018

Admission Source Code Age Changes Encounter Processing Schedules
Category of Service Code Definition Update
Code Updates
Coverage Code(s) ICD-10 Procedure Class Code Laboratory Indicator Limits
Modifier Updates
Place of Service
Procedure Daily Maximum
Provider Type
New Codes
Revenue Code

September/October 2018

Age Change
Coverage Code Change
Codes End Dated
Codes
Modifiers
End Date of Modifiers
MUE Units
Place of Service
Procedure Daily Maximum Limits
Provider Type
New Edits

July/August 2018

OPFS PGM Update (Three Hospitals) Encounter Processing Schedules
Category of Service
New Edits
Laboratory Indicator Modifier
Modifiers
Procedure Daily Maximum
Place of Service
New Codes
ICD codes
Provider Type

May/June 2018

Age Change
Bill Type Code Description
Code Changes
Coverage Code Change
Modifiers
Place of Service
Provider Type
Revenue Code

March/April 2018

Date Changes
Gender
Procedure Code Indicator
Notce of Rate Change‐Ground Ambulance
APR‐DRG Calculator Correcton
Outpatent Hospital Website Fee Schedule Updated
Correction
Coverage Code
Modifiers
Procedure Daily Maximum
Revenue Code
Place of Service
Provider Type

January/February 2018

Age
Coverage Codes
End Date
Codes
Procedure Daily Limit
Adult ER Benefits
Place of Service
Modifiers
Provider Type

2017 Editions

November/December 2017

Age
Category of Service
Codes
Definition Change
Encounter Edit Status Report
Indicators
Limits
Revenue Codes
Modifier
Place of Service (POS)

September/October 2017

Category of Service
Code Updates
Definition Changes
Gender
Coverage Codes
Edit
Reminder Regarding Timeliness of Encounter Submissions
Modifiers
Place of Service
Provider Type

July/August 2017

Category of Service
Code Updates
Gender
Coverage Codes
Edit
Reminder Regarding Timeliness of Encounter Submissions
Modifiers
Place of Service
Provider Type

May/June 2017

Code Updates
Coverage Code
Limits
Modifiers
Place of Service
Provider Type

March/April 2017

Encounter File Processing Schedule
Code Updates
Modifiers
Place of Service
Modifiers
Provider Type
Revenue Codes

January/February 2017

Edit
Limits and Frequency
Code Updates
Place of Service
Modifiers
Provider Type
Revenue Codes

2016 Editions

November/December 2016

Age Limit
Category of Service
Coverage Code Update
Procedure Daily Limits
Provider Type
Place of Service
Modifiers
Revenue Codes

September/October 2016

Age Change
Edit Change
Coverage Codes
End Date
FFS Rates for New Ambulance Provider
OUTPATIENT HOSPITAL COST-TO-CHARGE RATIOS FOR 10/01/2016
Modifier(s)
Place of Service (POS)
Provider Type
Revenue Code

July/August 2016

Edits
Encounter Processing Schedule
Edit Status Report
FFS Rate Correction CPT 81528
Family Planning
Code Updates

May/June 2016

APR-DRG Calculator Update
Encounter File Processing Schedule
Hospice Rate Clarification
Date Change
Coverage Code
Provider Type
Revenue Codes
Codes
Modifiers
Place of Service

March/April 2016

Age Change
Coverage Codes
Category of Service
Modifier(s)
Place of Service
Provider Type

January/February 2016

Sanction Update
Age Change
Coverage Codes
New Codes
Codes
Modifier(s)
Place of Service (POS)
Provider Type (PT)

Contact

Encounter Unit staff is available Monday through Friday (excluding State holidays)
to assist contractors in resolving encounter errors or to research specific encounter
issues. Questions regarding the validator or TI should be submitted to the AHCCCSTIEncounters@azahcccs.gov e-mail address. All other encounter questions, including those concerning mainfame, should be sent to the AHCCCSEncounters@azahcccs.gov e-mail address.