Transmittal letters contain changes to MassHealth provider manuals. They summarize the change, contain revised pages for the provider manual, and tell providers how to update their manuals with the new pages.
- This page, Acute Outpatient Hospital Transmittal Letters, is offered by
- MassHealth
This is a part of
the
resource
:
MassHealth Transmittal Letters
This is a part of
the
resource
:
MassHealth Transmittal Letters
Table of Contents
- 2025 MassHealth Transmittal Letters
- All Provider Transmittal Letters
-
- Abortion Clinic
- Acupuncture Services
- Acute Inpatient Hospital
- Acute Outpatient Hospital
- Adult Day Health
- Adult Foster Care
- Audiologist
- Chiropractor
- Chronic Disease and Rehabilitation Inpatient Hospital
- Chronic Disease and Rehabilitation Outpatient Hospital
- Community Behavioral Health Center
- Community Health Center
- Community Support Program
- Continuous Skilled Nursing Agency
- Correctional Facility Services
Acute Outpatient Hospital Transmittal Letters
Table of Contents
Open DOCX file, 209.94 KB,
AOH-60: Updates to Subchapter 6 (2025 CPT/HCPCS)
(English, DOCX 209.94 KB)
Open DOCX file, 197.26 KB,
AOH-57: Updates to Subchapter 6 (2024 CPT/HCPCS)
(English, DOCX 197.26 KB)
Open PDF file, 482.25 KB,
AOH-56: 2023 Updates to Subchapter 6
(English, PDF 482.25 KB)
(September 2023)
Open DOCX file, 163.17 KB,
AOH-56: 2023 Updates to Subchapter 6
(English, DOCX 163.17 KB)
(September 2023)
Open PDF file, 250.92 KB,
AOH-55: Revised Regulations at 130 CMR 410.000
(English, PDF 250.92 KB)
(July 2023)
Open DOCX file, 104.34 KB,
AOH-55: Revised Regulations at 130 CMR 410.000
(English, DOCX 104.34 KB)
(July 2023)
Open PDF file, 570.67 KB,
AOH-54: 2023 HCPCS Updates to Subchapter 6
(English, PDF 570.67 KB)
(April 2023)
Open DOCX file, 173.27 KB,
AOH-54: 2023 HCPCS Updates to Subchapter 6
(English, DOCX 173.27 KB)
(April 2023)
Open PDF file, 444.58 KB,
AOH-53: 2022 HCPCS Updates to Subchapter 6 (Corrected)
(English, PDF 444.58 KB)
(October 2022)
Open DOCX file, 170.53 KB,
AOH-53: 2022 HCPCS Updates to Subchapter 6 (Corrected)
(English, DOCX 170.53 KB)
(October 2022)
Open PDF file, 276.38 KB,
AOH-52: Revisions to 130 CMR 410.000 to Clarify Coverage of Abortion Services
(English, PDF 276.38 KB)
(June 2022)
Open DOCX file, 98.51 KB,
AOH-52: Revisions to 130 CMR 410.000 to Clarify Coverage of Abortion Services
(English, DOCX 98.51 KB)
(June 2022)
Open PDF file, 431.99 KB,
AOH-51: Revised Regulations at 130 CMR 410.000
(English, PDF 431.99 KB)
(January 2022)
Open DOCX file, 208.17 KB,
AOH-51: Revised Regulations at 130 CMR 410.000
(English, DOCX 208.17 KB)
(January 2022)
Open PDF file, 224.53 KB,
AOH-50: Updates to Policy about Acupuncture Services
(English, PDF 224.53 KB)
(January 2022)
Open DOCX file, 89.45 KB,
AOH-50: Updates to Policy about Acupuncture Services
(English, DOCX 89.45 KB)
(January 2022)
Open PDF file, 580.14 KB,
AOH-49: Acute Outpatient Hospital Manual 2021 HCPCS Updates to Subchapter 6; Continued Suspension of Policy Set Forth in Transmittal Letter AOH-45
(English, PDF 580.14 KB)
(October 2021)
Open DOCX file, 199.04 KB,
AOH-49: Acute Outpatient Hospital Manual 2021 HCPCS Updates to Subchapter 6; Continued Suspension of Policy Set Forth in Transmittal Letter AOH-45
(English, DOCX 199.04 KB)
(October 2021)
Open PDF file, 254.26 KB,
AOH-48: Update to Subchapter 6 Codes for Diagnostic Imaging, EEG and VEEG Monitoring, and Influenza Vaccine
(English, PDF 254.26 KB)
(May 2021)
Open DOCX file, 199.82 KB,
AOH-48: Update to Subchapter 6 Codes for Diagnostic Imaging, EEG and VEEG Monitoring, and Influenza Vaccine
(English, DOCX 199.82 KB)
(May 2021)
Open PDF file, 528.09 KB,
AOH-47: Diagnostic Laboratory and Remote Patient Monitoring Codes (corrected)
(English, PDF 528.09 KB)
(July 2020)
Open DOCX file, 204.35 KB,
AOH-47: Diagnostic Laboratory and Remote Patient Monitoring Codes (corrected)
(English, DOCX 204.35 KB)
(July 2020)
Open PDF file, 490.34 KB,
AOH-46: Acute Outpatient Hospital Manual (2020 HCPCS Code Updates: Emergency Services Program and Mobile Crisis Intervention Services: Telephonic, Home Visit, and Diagnostic Codes)
(English, PDF 490.34 KB)
(April 2020)
Open DOCX file, 218.76 KB,
AOH-46: Acute Outpatient Hospital Manual (2020 HCPCS Code Updates: Emergency Services Program and Mobile Crisis Intervention Services: Telephonic, Home Visit, and Diagnostic Codes)
(English, DOCX 218.76 KB)
(April 2020)
Open PDF file, 810.93 KB,
AOH-45: New MassHealth Third-Party Administrator for Prior Authorization; New Prior Authorization Requirements
(English, PDF 810.93 KB)
(February 2020)
Open DOCX file, 163.47 KB,
AOH-45: New MassHealth Third-Party Administrator for Prior Authorization; New Prior Authorization Requirements
(English, DOCX 163.47 KB)
(February 2020)
Open PDF file, 570.6 KB,
AOH-43: 2018 HCPCS and Revenue Code Updates
(English, PDF 570.6 KB)
(November 2018)
Open DOC file, 517 KB,
AOH-43: 2018 HCPCS and Revenue Code Updates
(English, DOC 517 KB)
(November 2018)
Open PDF file, 317.61 KB,
AOH-42: Revised Subchapter 6: Additional Behavioral- Health Screening Tools and Revised Coding for Postpartum Depression Screening
(English, PDF 317.61 KB)
(December 2017)
Open DOCX file, 175.47 KB,
AOH-42: Revised Subchapter 6: Additional Behavioral- Health Screening Tools and Revised Coding for Postpartum Depression Screening
(English, DOCX 175.47 KB)
(December 2017)
Open PDF file, 537.36 KB,
AOH-41: 2017 HCPCS Code Updates and List of Revenue Codes Added to Subchapter 6
(English, PDF 537.36 KB)
(November 2017)
Open DOC file, 375 KB,
AOH-41: 2017 HCPCS Code Updates and List of Revenue Codes Added to Subchapter 6
(English, DOC 375 KB)
(November 2017)
Open PDF file, 561.21 KB,
AOH-40: Revised Provider Regulations at 130 CMR 410.000
(English, PDF 561.21 KB)
(July 2017)
Open DOC file, 517.5 KB,
AOH-40: Revised Provider Regulations at 130 CMR 410.000
(English, DOC 517.5 KB)
(July 2017)
Open PDF file, 155.53 KB,
AOH-39: Revised Regulations (130 CMR 410.000)
(English, PDF 155.53 KB)
(September 2016)
Open DOC file, 273.5 KB,
AOH-39: Revised Regulations (130 CMR 410.000)
(English, DOC 273.5 KB)
(September 2016)
Open PDF file, 267.52 KB,
AOH-37: Payment for Postpartum Depression Screening
(English, PDF 267.52 KB)
(May 2016)
Open DOC file, 197.5 KB,
AOH-37: Payment for Postpartum Depression Screening
(English, DOC 197.5 KB)
(May 2016)
Open PDF file, 88.37 KB,
AOH-34: Revisions to Abortion Services Regulations
(English, PDF 88.37 KB)
(January 2015)
Open DOC file, 113.5 KB,
AOH-34: Revisions to Abortion Services Regulations
(English, DOC 113.5 KB)
(January 2015)
Open PDF file, 238 KB,
AOH-33: Updated Gender Dysphoria and Sterilization Policies; Out-of-State Chronic Disease and Rehabilitation Hospitals
(English, PDF 238 KB)
(January 2015)
Open DOC file, 1.1 MB,
AOH-33: Updated Gender Dysphoria and Sterilization Policies; Out-of-State Chronic Disease and Rehabilitation Hospitals
(English, DOC 1.1 MB)
(January 2015)
Open PDF file, 399.21 KB,
AOH-31: Revisions to MassHealth Regulations-Affordable Care Act
(English, PDF 399.21 KB)
(December 2013)
Open TXT file, 31.42 KB,
AOH-31: Revisions to MassHealth Regulations-Affordable Care Act
(English, TXT 31.42 KB)
(December 2013)
Open PDF file, 217.58 KB,
AOH-30: New Modifiers for National Correct Coding Initiative
(English, PDF 217.58 KB)
(May 2013)
Open TXT file, 33.27 KB,
AOH-30: New Modifiers for National Correct Coding Initiative
(English, TXT 33.27 KB)
(May 2013)
Open PDF file, 114.17 KB,
AOH-29: New Modifiers for Provider Preventable Conditions That Are National Coverage Determinations
(English, PDF 114.17 KB)
(June 2012)
Open TXT file, 5.74 KB,
AOH-29: New Modifiers for Provider Preventable Conditions That Are National Coverage Determinations
(English, TXT 5.74 KB)
(June 2012)
Open PDF file, 432.06 KB,
AOH-23: Revised Subchapter 6 and Appendix F for 2009 HCPCS
(English, PDF 432.06 KB)
(October 2009)
Open TXT file, 43.56 KB,
AOH-23: Revised Subchapter 6 and Appendix F for 2009 HCPCS
(English, TXT 43.56 KB)
(October 2009)
Open PDF file, 176.4 KB,
AOH-20: Revised Subchapter 6 for 2009 HCPCS
(English, PDF 176.4 KB)
(January 2009)
Open TXT file, 18.93 KB,
AOH-20: Revised Subchapter 6 for 2009 HCPCS
(English, TXT 18.93 KB)
(January 2009)
Open PDF file, 509.61 KB,
AOH-19: Implementation of the Child and Adolescent Needs and Strengths Tool
(English, PDF 509.61 KB)
(January 2009)
Open TXT file, 49.42 KB,
AOH-19: Implementation of the Child and Adolescent Needs and Strengths Tool
(English, TXT 49.42 KB)
(January 2009)
Open PDF file, 436.61 KB,
AOH-18: Revised Pharmacy Regulations
(English, PDF 436.61 KB)
(August 2008)
Open PDF file, 605.99 KB,
AOH-17: Revised Subchapter 6 and Appendix F for 2008 HCPCS
(English, PDF 605.99 KB)
(July 2008)
Open TXT file, 35.77 KB,
AOH-17: Revised Subchapter 6 and Appendix F for 2008 HCPCS
(English, TXT 35.77 KB)
(July 2008)
Open PDF file, 784.96 KB,
AOH-16: Revised Service Codes and Appendix F— Behavioral-Health Screening Tool, Tobacco-Cessation Services, and HCPCS Changes
(English, PDF 784.96 KB)
(December 2007)
Open TXT file, 35.25 KB,
AOH-16: Revised Service Codes and Appendix F— Behavioral-Health Screening Tool, Tobacco-Cessation Services, and HCPCS Changes
(English, TXT 35.25 KB)
(December 2007)
Open PDF file, 124.61 KB,
AOH-15: Revised Provider Regulations about Copayments
(English, PDF 124.61 KB)
(August 2007)
Open TXT file, 10.14 KB,
AOH-15: Revised Provider Regulations about Copayments
(English, TXT 10.14 KB)
(August 2007)
Open PDF file, 744.91 KB,
AOH-13: Revised Subchapter 6 and Appendix F
(English, PDF 744.91 KB)
(July 2007)
Open TXT file, 31.21 KB,
AOH-13: Revised Subchapter 6 and Appendix F
(English, TXT 31.21 KB)
(July 2007)
Open PDF file, 100.92 KB,
AOH-12: Revisions to Regulations about Medicare Part D
(English, PDF 100.92 KB)
(May 2007)
Open TXT file, 22.38 KB,
AOH-12: Revisions to Regulations about Medicare Part D
(English, TXT 22.38 KB)
(May 2007)
Open PDF file, 727.82 KB,
AOH-11: Revised Service Codes and Appendix F
(English, PDF 727.82 KB)
(March 2007)
Open TXT file, 33.59 KB,
AOH-11: Revised Service Codes and Appendix F
(English, TXT 33.59 KB)
(March 2007)
Open PDF file, 106.34 KB,
AOH-9: Revised Service Codes and Appendix F
(English, PDF 106.34 KB)
(August 2006)
Open TXT file, 28.72 KB,
AOH-9: Revised Service Codes and Appendix F
(English, TXT 28.72 KB)
(August 2006)
Open PDF file, 93.34 KB,
AOH-8: Revised Regulations About New Tobacco Cessation Services
(English, PDF 93.34 KB)
(June 2006)
Open TXT file, 16.83 KB,
AOH-8: Revised Regulations About New Tobacco Cessation Services
(English, TXT 16.83 KB)
(June 2006)
Open PDF file, 251.44 KB,
AOH-7: Revised Service Codes and Appendix F
(English, PDF 251.44 KB)
(September 2005)
Open RTF file, 4.44 MB,
AOH-7: Revised Service Codes and Appendix F
(English, RTF 4.44 MB)
(September 2005)
Open PDF file, 115.22 KB,
AOH-6: Section 602 and Appendix F of the Acute Outpatient Hospital Manual
(English, PDF 115.22 KB)
(September 2004)
Open TXT file, 18.45 KB,
AOH-6: Section 602 and Appendix F of the Acute Outpatient Hospital Manual
(English, TXT 18.45 KB)
(September 2004)
Open PDF file, 151.41 KB,
AOH-5: Revised Service Codes and Billing Information
(English, PDF 151.41 KB)
(April 2004)
Open TXT file, 30.95 KB,
AOH-5: Revised Service Codes and Billing Information
(English, TXT 30.95 KB)
(April 2004)
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