Cheat sheet

NHA CBCS Cheat Sheet

Revenue Cycle & Compliance

15%of exam

Revenue Cycle PhasesHIPAA & PHIFraud & AbuseCompliance & Audits

Insurance Eligibility & Payers

20%of exam

Coding & Coding Guidelines

32%of exam

ICD-10-CMCPTHCPCS Level IIModifiersE/M Leveling

Billing & Reimbursement

33%of exam

Quick Facts

Exam
CBCS
Credential
Billing & Coding Specialist
Questions
100 scored + 25 pretest
Time
3 hours
Pass
Scaled 390 (200-500)
Format
Multiple choice
Manuals
Coding manuals allowed
Body
NHA

Revenue Cycle Order

Register, code, bill, then collect

Front: registerMiddle: code/billBack: collect

Fraud vs Abuse

Fraud

  • Intentional
  • Knowing deception
  • Higher penalties

Abuse

  • Unintentional
  • Improper practice
  • No intent

Intent vs mistake

Revenue Cycle Phases

Pre-registration
Collect demographics, insurance
Registration
Verify patient at visit
Charge capture
Record services rendered
Coding
Assign ICD-10-CM, CPT
Claim submission
Send claim to payer
Adjudication
Payer processes claim
Remittance
Payer posts payment
A/R follow-up
Work unpaid claims
Patient collections
Bill patient balance

HIPAA & PHI

Privacy Rule
Protects PHI use, disclosure
Security Rule
Safeguards electronic PHI (ePHI)
Breach Notification
Notify within 60 days
PHI
Health data + identifier
TPO
Treatment, payment, operations
Minimum necessary
Least PHI needed
NPP
Notice of privacy practices
De-identification
Remove 18 identifiers

Fraud, Abuse & Audits

Fraud
Intentional deception for gain
Abuse
Improper practice, no intent
False Claims Act
Penalizes false claims
Stark Law
Bans physician self-referral
Anti-Kickback
Bans pay for referrals
Upcoding
Higher code than performed
Unbundling
Splitting bundled codes
OIG
Inspector General oversight
RAC
Recovery Audit Contractor

Medicare Parts

A=hospital B=doctor C=advantage D=drugs

A: inpatient/SNFB: outpatientC: AdvantageD: drugs

HMO vs PPO

HMO

  • PCP required
  • Referrals needed
  • Network only

PPO

  • No PCP
  • No referral
  • Out-of-network allowed

Gatekeeper vs flexibility

Primary Payer Picker

  1. Patient's own planBills primary
  2. Covered as dependentSpouse plan secondary
  3. Child, both parentsBirthday rule
  4. Medicare + employer 20+Employer primary(MSP rule)
  5. Medicare + retiree planMedicare primary
  6. Job-related injuryWorkers' comp
  7. Auto accidentAuto insurance first

Commercial Plans

HMO
PCP gatekeeper, network only
PPO
Flexible network, no referral
EPO
Network only, no referral
POS
HMO/PPO hybrid
Indemnity
Fee-for-service, any provider
Capitation
Fixed payment per member
Gatekeeper
PCP controls referrals

Government Payers

Medicare Part A
Hospital, inpatient, SNF
Medicare Part B
Physician, outpatient services
Medicare Part C
Medicare Advantage plans
Medicare Part D
Prescription drug coverage
Medicaid
State low-income coverage
Medigap
Supplements Medicare gaps
TRICARE
Military member coverage
CHAMPVA
Veteran family coverage
Workers' comp
Job injury coverage

Eligibility & Cost Sharing

270/271
Eligibility inquiry, response
Prior authorization
Pre-approval before service
Referral
PCP sends to specialist
Deductible
Patient pays first
Copay
Fixed visit fee
Coinsurance
Percentage patient share
ABN
Medicare non-coverage notice
COB
Which payer first
Birthday rule
Earlier birthday pays first
MSP
Medicare Secondary Payer

ICD-10-CM Structure

Letter first, 3 to 7 characters

Char 1: letterX: placeholder7th: encounter

ICD-10-CM vs PCS

ICD-10-CM

  • Diagnoses
  • 3-7 characters
  • All settings

ICD-10-PCS

  • Inpatient procedures
  • 7 characters
  • Hospital only

Why vs how

Modifier Picker

  1. Separate E/M, same day-25(Distinct service)
  2. Distinct procedure, same day-59(Unbundle edit)
  3. Bilateral procedure-50
  4. Multiple procedures-51
  5. Repeat, same provider-76
  6. Repeat, different provider-77
  7. Return to OR, related-78(Post-op period)
  8. Unrelated post-op procedure-79
  9. Repeat clinical lab-91
  10. Telehealth synchronous visit-95

ICD-10-CM Basics

Structure
3-7 alphanumeric characters
First character
Always a letter
Update cycle
October 1 annually
Placeholder X
Fills empty positions
7th character
Encounter or episode
Laterality
Right, left, bilateral
Z-codes
Factors, not disease
Combination code
One code, two conditions
Code first
Sequence underlying cause

Modifier -25 vs -59

-25

  • E/M service
  • Same-day separate
  • With procedure

-59

  • Distinct procedure
  • Unbundle edit
  • Different session

E/M vs procedure

CPT Categories & Codes

Category I
Standard 5-digit codes
Category II
Performance tracking codes
Category III
Emerging technology codes
Sections
E/M to Medicine
Update cycle
January 1 annually
Add-on code
Never billed alone
Modifier -25
Separate E/M same day
Modifier -59
Distinct procedural service

HCPCS Level II

Structure
Letter plus 4 digits
J-codes
Injectable drugs
DME
Durable medical equipment
A-codes
Supplies, transport
Level I
CPT codes
Level II
Non-physician products, services
-RT/-LT
Right, left side
-GA
ABN on file

Modifiers & E/M

-50
Bilateral procedure
-51
Multiple procedures
-76
Repeat, same provider
-78
Return to OR, related
-79
Unrelated post-op procedure
-91
Repeat clinical lab
-95
Synchronous telehealth
MDM
Medical decision making
Time-based E/M
Total date-of-service time
2021 E/M rules
MDM or time

Claim Form Split

1500 professional; UB-04 facility

1500: physicianUB-04: hospital837P vs 837I

CMS-1500 vs UB-04

CMS-1500

  • Professional
  • Physician, supplier
  • 837P

UB-04

  • Institutional
  • Hospital, facility
  • 837I

Provider vs facility

Denial Action Picker

  1. Claim missing dataCorrect, resubmit(Not an appeal)
  2. Front-end rejectionFix, resend(Never adjudicated)
  3. Wrong denialFile appeal
  4. Duplicate denialVerify original(Do not resubmit)
  5. No prior authRequest retro-auth
  6. Timely filing passedSubmit proof(Or write off)
  7. Coding edit denialCheck NCCI

Claim Forms

CMS-1500
Professional paper claim
UB-04
Institutional facility claim
Box 21
Diagnosis codes (ICD-10)
Box 24D
Procedures, modifiers
NPI
10-digit provider ID
Form locators
UB-04 field numbers
POS code
Where service performed
Taxonomy code
Provider specialty code

Rejection vs Denial

Rejection

  • Never processed
  • Front-end error
  • Resubmit corrected

Denial

  • Processed
  • Payment refused
  • Appeal or correct

Bounced vs refused

EDI Transactions

837
Electronic claim
835
Electronic remittance (ERA)
270
Eligibility inquiry
271
Eligibility response
276
Claim status inquiry
277
Claim status response
277CA
Claim acknowledgment
999
Functional acknowledgment
5010
HIPAA X12 standard

CARC vs RARC

CARC

  • Adjustment reason
  • Why amount changed
  • On remittance

RARC

  • Remark code
  • Extra explanation
  • Supplements CARC

Reason vs remark

Claim Life Cycle

Clean claim
No errors, processable
Dirty claim
Errors, needs rework
Rejection
Front-end, never processed
Denial
Processed, then refused
Adjudication
Payer decision process
EOB
Patient payment explanation
ERA
Electronic remittance advice
Allowed amount
Payer's contracted rate
Write-off
Adjusted, not billed

Denials, Appeals & A/R

CARC
Claim adjustment reason code
RARC
Remittance advice remark
Timely filing
Deadline to submit
NCCI PTP
Bundled code edits
MUE
Max units per line
LCD/NCD
Coverage determinations
Appeal
Dispute a denial
Medicare appeal levels
Five appeal steps
60-day rule
Refund overpayment promptly
Aging report
Unpaid claims by days

Common Traps

Rejection vs denial

Rejection never processed Denial was adjudicated

Upcoding vs unbundling

Upcoding: higher level Unbundling: split codes

837 vs 835

837 sends claim 835 returns payment

ABN scope

ABN is Medicare only Not commercial payers

Medigap vs Advantage

Medigap supplements Medicare Advantage replaces Medicare

Modifier -25 vs -57

-25: minor procedure E/M -57: decision for surgery

Last Minute

  1. 1.Weights: 15, 20, 32, 33
  2. 2.100 scored + 25 pretest
  3. 3.Pass = scaled score 390
  4. 4.ICD-10-CM updates October 1
  5. 5.CPT updates January 1
  6. 6.Fraud = intent; abuse = none
  7. 7.Rejection resubmit; denial appeal
  8. 8.CMS-1500 professional; UB-04 facility
  9. 9.837 out; 835 back
  10. 10.Birthday rule for children
  11. 11.ABN is Medicare only
  12. 12.Modifier -25 with E/M
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