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Cheat sheet

CCA Cheat Sheet

Clinical Classification Systems

30-34%of exam

Code SystemsCM RulesPCS BuildCPT ModifiersSetting Rules

Reimbursement Methodologies

21-25%of exam

Payment GroupsNCCI EditsMedical NecessityClaims + Denials

Health Records

13-17%of exam

Record ContentData QualityAbstractionMPI + Reports

Compliance

12-16%of exam

Supported CodingProvider QueriesEthical CodingAudits

Information Technologies

6-10%of exam

EHR ToolsEncoder vs GrouperCAC ValidationHIM Systems

Confidentiality and Privacy

6-10%of exam

Minimum NecessaryAuthorized ReleaseSecure TransferRetention

Quick Facts

Exam
CCA
Owner
AHIMA
Questions
105 total
Scored
90 scored
Pretest
15 unscored
Time
2 hours
Pass
300 scaled
Delivery
Pearson VUE center
Fee
$199/$299
Codebooks
2026 CM/PCS/CPT

Domain Order

Classify, reimburse, record, comply, tech, privacy

Classify biggestReimburse secondTech/privacy smallest

CM vs PCS

ICD-10-CM

  • Diagnoses
  • All settings
  • Clinical conditions

ICD-10-PCS

  • Inpatient procedures
  • Seven characters
  • Root operations

Condition vs inpatient procedure

Code System Picker

  1. Diagnosis neededICD-10-CM(All settings)
  2. Inpatient procedureICD-10-PCS(Facility)
  3. Physician serviceCPT(Professional)
  4. Modifier neededCPT appendix(Verify notes)
  5. Code pair editNCCI(PTP)
  6. Unit editMUE(Limit)

Exam Control

Total
105 items
Scored
90 items
Pretest
15 random
Time
Two hours
Pass
300 scaled
Site
Pearson VUE
Eligibility
High school diploma
Retake
30-day wait

PCS Seven

Section-System-Root-Part-Approach-Device-Qualifier

Root: objectiveApproach: accessDevice: remains

Principal vs First-Listed

Principal

  • Inpatient
  • After study
  • Admission reason

First-listed

  • Outpatient
  • Encounter reason
  • No rule-out

Admission vs encounter

Setting Picker

  1. Inpatient admissionPrincipal dx(After study)
  2. Outpatient encounterFirst-listed dx(Visit reason)
  3. Rule-out inpatientCode documented(Discharge)
  4. Rule-out outpatientSymptoms(No diagnosis)
  5. Procedure inpatientPCS(Facility)
  6. Procedure outpatientCPT(Service)

Blueprint Weights

Classification
30-34%
Reimbursement
21-25%
Records
13-17%
Compliance
12-16%
Technology
6-10%
Privacy
6-10%

Setting First

Inpatient principal; outpatient first-listed

Inpatient: after studyOutpatient: visit reasonRule-out differs

Excludes1 vs Excludes2

Excludes1

  • Not here
  • Never together
  • Mutually exclusive

Excludes2

  • Not included
  • May coexist
  • Code both

Never vs maybe

Codebooks

ICD-10-CM
Diagnosis coding
ICD-10-PCS
Inpatient procedures
CPT
Physician procedures
2026 rule
After May 1
Wrong books
No test
Index
Start search
Guidelines
Control assignment
Tables
Validate PCS

CM Rules

Principal dx
After-study reason
First-listed
Encounter reason
Secondary dx
Affects care
Combination
One code covers
Excludes1
Not coded together
Excludes2
May code both
Use additional
Add detail code
Code first
Sequence cause first
Sequela
Residual first
Laterality
Match side

PCS Build

Characters
Seven required
Section
Procedure type
Body system
General system
Root op
Objective
Body part
Specific site
Approach
Access route
Device
Remains after
Qualifier
Extra meaning
No decimals
PCS format
Table
Final authority

CPT Modifiers

25
Separate E/M
59
Distinct service
51
Multiple procedures
LT/RT
Body side
TC
Technical component
26
Professional component
52
Reduced service
53
Discontinued procedure

DRG vs APC

DRG

  • Inpatient
  • Principal dx
  • MCC/CC impact

APC

  • Outpatient
  • CPT driven
  • OPPS impact

Inpatient vs outpatient

Reimbursement Picker

  1. Inpatient paymentMS-DRG(IPPS)
  2. Outpatient paymentAPC(OPPS)
  3. Risk adjustmentHCC(Chronic burden)
  4. Coverage questionLCD/NCD(Necessity)
  5. Bundling questionNCCI(Edits)
  6. Denied claimReview support(Appeal)

Payment Groups

MS-DRG
Inpatient payment
APC
Outpatient payment
HCC
Risk adjustment
MCC
Major complication
CC
Complication
OPPS
Outpatient system
IPPS
Inpatient system
Charge ticket
Fee capture

NCCI vs MUE

NCCI

  • Pair edits
  • Bundling
  • Modifier check

MUE

  • Unit edits
  • Quantity limit
  • Same beneficiary

Pair vs quantity

Edits + Necessity

NCCI
Code-pair edits
PTP
Procedure pair
MUE
Unit limit
LCD
Local coverage
NCD
National coverage
ABN
Medicare notice
Denial
Claim rejected
Appeal
Payer response

Quantitative vs Qualitative

Quantitative

  • Completeness
  • Missing forms
  • Signatures

Qualitative

  • Validity
  • Consistency
  • Record meaning

Complete vs credible

Record Content

H&P
Initial picture
Progress notes
Ongoing status
Op report
Procedure detail
Pathology
Tissue result
Lab
Clinical evidence
Discharge summary
Final summary
Orders
Provider direction
Consents
Authorization support

Data Quality

Quantitative
Completeness check
Qualitative
Content validity
Abstraction
Data capture
MPI
Patient identity
Duplicate
Identity risk
Deficiency
Missing element
Report
Data output
Standard
Consistent meaning

Query Neutral

Issue, indicators, options, unable

No leadingRecord supportProvider decides

Query vs Code

Query

  • Unclear
  • Supported gap
  • Neutral choices

Code

  • Documented
  • Supported
  • Guideline matched

Clarify vs assign

Documentation Picker

  1. Missing specificityQuery(Support exists)
  2. Conflicting notesQuery(Clarify)
  3. Clinical indicatorsQuery(No diagnosis)
  4. Unsupported codeRemove code(No support)
  5. Provider documentedAssign code(Guidelines)
  6. Leading queryRevise query(Neutral)

Compliance Controls

Support
Documentation backs code
Discrepancy
Code conflicts record
Ethics
Truthful coding
Query
Clarify documentation
Audit
External review
Education
Provider feedback
Updates
Current code changes
Chargemaster
Revenue item list

Query Basics

Issue
Clear gap
Indicators
Record evidence
Choices
Reasonable options
Other
Alternate response
Unable
Cannot determine
Neutral
Non-leading
Conflict
Clarify first
Unsupported
Do not code

Encoder vs CAC

Encoder

  • Code navigation
  • Manual verification
  • Guideline prompts

CAC

  • Auto suggestions
  • Text analysis
  • Coder validates

Navigate vs suggest

EHR Tools

EHR
Electronic record
Encoder
Code navigation
Grouper
Payment logic
CAC
Suggested codes
HIM system
Record workflow
PM system
Practice billing
Audit trail
Change history
Validation
Coder duty

Privacy Lock

Minimum access; authorized release; secure transfer

Need to knowVerify recipientEncrypt e-docs

Privacy vs Security

Privacy

  • Use rules
  • Disclosure limits
  • Patient data

Security

  • Access controls
  • Encryption
  • Safeguards

Rules vs protections

Privacy Picker

  1. Need accessMinimum necessary(Role based)
  2. Release PHIAuthorization(Verify recipient)
  3. Send e-docsSecure transfer(Encrypt)
  4. Possible breachReport issue(Policy)
  5. Old recordsRetention policy(Then destroy)
  6. Shared workstationLog out(Protect access)

Privacy Controls

HIPAA
Privacy baseline
Confidentiality
Protect patient data
Minimum necessary
Smallest access
Authorization
Approved release
Password
Access control
Encryption
Protect e-docs
Secure site
Safe transfer
Destruction
Proper disposal

Common Traps

Codebook year

2026 after May 1 Wrong books forfeit

Pretest items

Randomly mixed Not identified

Rule-out diagnosis

Inpatient may code Outpatient symptoms only

Clinical indicators

Support query Do not diagnose

Index reliance

Index starts Guidelines decide

CAC output

Software suggests Coder validates

Modifier 59

Distinct service Documentation required

Minimum necessary

Need-based access Curiosity prohibited

Denial work

Review support Resubmit correctly

Last Minute

  1. 1.Weights: 30-34 classification
  2. 2.Reimbursement: 21-25
  3. 3.Records: 13-17
  4. 4.Compliance: 12-16
  5. 5.Tech/privacy: 6-10 each
  6. 6.Bring 2026 CM/PCS/CPT
  7. 7.Principal equals inpatient
  8. 8.First-listed equals outpatient
  9. 9.PCS table validates
  10. 10.NCCI pairs; MUE units
  11. 11.Query unclear supported gaps
  12. 12.Minimum necessary always
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