Further reading & primary sources

Use these links to reach the primary standards, government guidance, industry data, and legal research sources cited throughout the site.

Dental & DSO

These sources focus on dentistry, dental benefits, or DSO operations.

Source	What it is
ADA Health Policy Institute	Research on practice economics, DSO affiliation rates, workforce, and the dental care market
ADSO	The DSO trade association: advocacy, state legislative tracking
NADP	Dental benefits enrollment data (full reports paid)
CareQuest Institute	Medicaid adult dental coverage tracker, updated annually
Senate Joint Staff Report on the Corporate Practice of Dentistry in the Medicaid Program	S. Prt. 113-16 (2013), a congressional staff report on corporate dentistry in Medicaid
House Oversight 50-state CPOD survey	2012 compilation of state corporate-dentistry laws
Group Dentistry Now	DSO industry news
ADA Contract Analysis Service	Free PPO-contract review via state dental societies, including network-leasing clauses

Code sets and transaction standards

Source	What it is
ADA CDT	CDT, dentistry’s code set. ADA-licensed; revised annually effective January 1
ASC X12	The standards body. Transaction implementation guides, including the 837D
X12 Claim Adjustment Reason Codes	The authoritative CARC list
X12 Remittance Advice Remark Codes	The authoritative RARC list
NUCC Provider Taxonomy	The taxonomy code set, updated twice yearly
CMS Place of Service Codes	The POS code set
AMA CPT	CPT, licensed. Needed only for medical-crossover billing
CMS HCPCS	HCPCS Level II; crossover and DMEPOS work (sleep appliances)
CDC ICD-10-CM	Diagnosis codes, updated October 1. Crossover claims require them
CMS NCCI Edits	Code-pair edits, relevant to crossover and Medicaid billing

CMS

The § 1862(a)(12) exclusion generally keeps routine dental services outside Medicare Part B. The following CMS sources are most relevant to covered crossover services, DMEPOS, oral surgery, administrative simplification, and Medicaid.

Source	Use
CMS Medicare Dental Coverage	The exclusion and the “inextricably linked” exceptions, in CMS’s own words
CMS Internet-Only Manuals	The manual set. The chapters that matter most: Claims Processing Manual (Pub. 100-04) and Benefit Policy Manual (Pub. 100-02)
PECOS	Medicare enrollment, if you bill crossover work
Medicare Revalidation Lookup	Check your revalidation date directly
Medicare Coverage Database	LCDs and NCDs, for crossover claims
Administrative Simplification	Transaction standards, operating rules, EFT, and the 2026 attachments rule
No Surprises Act	Balance billing and good faith estimates
Medicaid.gov Provider Enrollment	Screening requirements

Identifiers and credentialing

Source	Use
NPPES	Apply for and maintain NPIs
NPI Registry	Look up an NPI before creating a duplicate
CAQH ProView	Credentialing profiles
OIG LEIE	Exclusion screening, monthly
SAM.gov	Federal debarment screening
NPDB	Practitioner data bank

Compliance

Source	Use
HHS OCR HIPAA	Privacy, Security, and Breach Notification Rules
ONC Security Risk Assessment Tool	For the required risk analysis
HHS OIG Compliance Guidance	Compliance program elements
OIG Self-Disclosure	Voluntary disclosure protocols
OIG Fraud & Abuse Laws	AKS, Stark, FCA overview
eCFR	Current CFR text

Legal research

Source	Use
CourtListener	Free case law search and opinions
State legislature bill trackers	The primary source for pending legislation
State dental board sites	License verification, board rules, DSO registration requirements, and position statements
State secretary of state business search	Entity status and good standing
Uniform Law Commission	Model acts, including the Revised Uniform Unclaimed Property Act

For CPOD research: healthcare law firms often publish useful state surveys and legislative alerts. This wiki cites work from Holland & Knight, Epstein Becker Green, Nixon Peabody, Benesch, Quarles, and others. Use those publications to locate issues and primary sources, then confirm the current statute, regulation, board material, or case.

Tax and finance

Source	Use
IRS Applicable Federal Rates	Monthly AFRs for intercompany notes
IRS EIN application	Free, same-day
FASB Codification	ASC 810 consolidation
unclaimed.org (NAUPA)	State unclaimed property administrators

Payment and banking

Source	Use
Nacha	ACH rules
The Clearing House RTP	Real-time payments
FedNow	Federal Reserve instant payments
PCI Security Standards Council	PCI DSS
Visa and Mastercard rules	Dispute reason codes and monitoring thresholds, via your processor

Benchmarks and industry data

Source	Use
ADA Health Policy Institute	Dental care market data, practice income and expenses, DSO affiliation, and workforce surveys
NADP	Dental benefits enrollment and plan-type data
AAPC	Coding and billing certification and resources
KFF	Health coverage and market data, including Medicare Advantage dental benefit analysis

Some benchmark data requires a license or paid subscription. ADA HPI publishes selected findings without charge, while full survey data, NADP enrollment reports, and compensation surveys may be paid. For a fair-market-value analysis, obtain the underlying dental-specific dataset and document the selected cohort rather than relying only on a secondary summary.

Payer sources

Each payer publishes its own provider manual, coverage policies, companion guides, and fee schedule terms, and each Delta Dental member company and Medicaid dental benefit administrator publishes its own materials. These are the primary operational sources for payer-specific requirements and take precedence over third-party summaries, including this one. See Payer enrollment and submission links for the index.

CPOD & Legal

Payers

Clearinghouses & Vendors

EDI & Code Sets

Banking & Payments

Glossary & Appendices

Further reading & primary sources

Dental & DSO

Code sets and transaction standards

CMS

Identifiers and credentialing

Compliance

Legal research

Tax and finance

Payment and banking

Benchmarks and industry data

Payer sources

​Dental & DSO

​Code sets and transaction standards

​CMS

​Identifiers and credentialing

​Compliance

​Legal research

​Tax and finance

​Payment and banking

​Benchmarks and industry data

​Payer sources

Dental & DSO

Code sets and transaction standards

CMS

Identifiers and credentialing

Compliance

Legal research

Tax and finance

Payment and banking

Benchmarks and industry data

Payer sources