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AHIMA Certified Coding Specialist (CCS) Practice Test

AHIMA CCS Practice Test

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Questions updated at Aug 23, 2026, 8:12 PM CDT

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Today's 10 AHIMA CCS questions

Use this AHIMA CCS practice test to review AHIMA Certified Coding Specialist. Questions rotate daily and each answer links back to the source used to write it.

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200 verified questions are in the live bank. Free daily questions are selected from a rotating sample set. Unlock Pro to access the full question bank.

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Question 1 of 10
Objective Identify a documentation query opportunity 3. Provider Queries (9–11%)

An operative report documents debridement but does not identify the deepest tissue level removed, and that detail changes procedure coding. What is the best action?

Concept tested:
Question 2 of 10
Objective Protect health information under HIPAA 4. Regulatory Compliance (18–22%)

A coding vendor performs services for a covered hospital and handles PHI on the hospital's behalf. Which HIPAA concept is most relevant?

Concept tested:
Question 3 of 10
Objective Validate the health record before final coding 2. Coding Documentation (18–22%)

A coder enters a diagnosis code whose text in the encoder seems to match the provider's wording but has not checked the Tabular List instructions. What is missing from validation?

Concept tested:
Question 4 of 10
Objective Evaluate computer-assisted coding output 5. Information Technologies (9–11%)

A CAC engine repeatedly maps a term to the wrong code because a terminology table is outdated. What is the most appropriate quality response?

Concept tested:
Question 5 of 10
Objective Assign diagnosis and procedure codes from provider documentation 1. Coding Knowledge and Skills (39–41%)

A bone marrow specimen is obtained by aspiration for diagnostic evaluation during an inpatient encounter. Which PCS root-operation/qualifier concept applies?

Concept tested:
Question 6 of 10
Objective Identify PSI and HAC reporting issues 4. Regulatory Compliance (18–22%)

A provider documents a postoperative infection but the record is unclear whether it was present on admission after transfer from another acute-care hospital. What must the coder evaluate?

Concept tested:
Question 7 of 10
Objective Recognize a leading query 3. Provider Queries (9–11%)

A query lists only 'acute respiratory failure' as a response to hypoxemia and oxygen use, despite other clinically reasonable explanations being present. Why is this problematic?

Concept tested:
Question 8 of 10
Objective Verify required documentation is present 2. Coding Documentation (18–22%)

An ICD-10-PCS code for a device-dependent procedure requires knowing whether a device remains in the body after the procedure, but the operative report is silent. What is the best action?

Concept tested:
Question 9 of 10
Objective Use encoder and grouper software appropriately 5. Information Technologies (9–11%)

A hospital runs a test grouper and production grouper on the same case and gets different DRGs. What is the best next step?

Concept tested:
Question 10 of 10
Objective Apply present-on-admission guidelines 1. Coding Knowledge and Skills (39–41%)

The documentation is ambiguous about whether pneumonia began before or after inpatient admission. What is the best first action?

Concept tested:
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The free daily AHIMA CCS set includes crawlable question text, answer choices, correct answer labels, objective mapping, and source links. Only the first SEO card includes answer explanations and any extra learning features. Pro-only bank questions stay locked; this section mirrors only the 10 free daily questions already shown on this page.

Question 1 An operative report documents debridement but does not identify the deepest tissue level removed, and that detail changes procedure coding. What is the best action?

Answer choices

  1. A. Assume the deepest tissue exposed was debrided, under the stated decision criteria.
  2. B. Code the highest level to avoid undercoding, for the stated scenario.
  3. C. Query the provider for the documented depth/extent of debridement, in the described situation.
  4. D. Use the wound-care charge to determine depth, for the required . provider queries (9–11%) outcome.

Correct answer

Query the provider for the documented depth/extent of debridement, in the described situation.

A query can clarify missing procedure detail required for accurate coding.

Wrong-answer review

  • A. Assume the deepest tissue exposed was debrided, under the stated decision criteria.: Exposure does not prove removal.
  • B. Code the highest level to avoid undercoding, for the stated scenario.: Specificity cannot be manufactured to avoid undercoding.
  • D. Use the wound-care charge to determine depth, for the required . provider queries (9–11%) outcome.: Charges do not replace required procedure documentation.

Extra learning features

Why candidates miss this

The distractor 'Assume the deepest tissue exposed was debrided' is tempting because it represents a common coding instinct to avoid undercoding. However, this assumption is unsupported by the documentation and could lead to inaccurate coding. The decisive clue is the explicit mention of 'debridement' requiring depth/extent clarification for accurate procedure coding. Likely wrong answer: Assume the deepest tissue exposed was debrided Review focus: Guidelines for Achieving a Compliant Query Practice (2022 Update)

Objective/domain: 3. Provider Queries (9–11%)

Source: Guidelines for Achieving a Compliant Query Practice (2022 Update)

Question 2 A coding vendor performs services for a covered hospital and handles PHI on the hospital's behalf. Which HIPAA concept is most relevant?

Answer choices

  1. A. The vendor is exempt from HIPAA because it is not a hospital, under the described . regulatory compliance (18–22%) criteria.
  2. B. The vendor may freely reuse PHI for unrelated marketing, for the stated . regulatory compliance (18–22%) requirement.
  3. C. The vendor may be a business associate and must meet applicable HIPAA obligations and contractual requirements
  4. D. The vendor becomes the patient's healthcare provider automatically, for the described technical objective and its associated operational control requirements, for review.

Correct answer

The vendor may be a business associate and must meet applicable HIPAA obligations and contractual requirements

Objective/domain: 4. Regulatory Compliance (18–22%)

Source: HHS HIPAA Security Rule

Question 3 A coder enters a diagnosis code whose text in the encoder seems to match the provider's wording but has not checked the Tabular List instructions. What is missing from validation?

Answer choices

  1. A. Verification of the code in the Tabular List, including applicable instructional notes, for this task.
  2. B. A check of the hospital's reimbursement target, as the organization’s selected response.
  3. C. A search for a modifier 59, for the stated security, delivery, and accountability requirements.
  4. D. A comparison with the patient's insurance premium, as the proposed design for the complete governed operational workflow.

Correct answer

Verification of the code in the Tabular List, including applicable instructional notes, for this task.

Objective/domain: 2. Coding Documentation (18–22%)

Source: FY 2026 ICD-10-CM Official Guidelines for Coding and Reporting

Question 4 A CAC engine repeatedly maps a term to the wrong code because a terminology table is outdated. What is the most appropriate quality response?

Answer choices

  1. A. Correct current coding through human review and escalate the mapping defect for system maintenance, within the proposed design.
  2. B. Continue accepting the mapping for consistency, as the proposed . information technologies (9–11%) approach.
  3. C. Disable all human review, for the described technical objective and its associated operational control requirements.
  4. D. Change provider terminology to fit the software, for the described technical objective and its associated operational control requirements, as proposed.

Correct answer

Correct current coding through human review and escalate the mapping defect for system maintenance, within the proposed design.

Objective/domain: 5. Information Technologies (9–11%)

Source: AHIMA Code of Ethics and Standards of Ethical Coding

Question 5 A bone marrow specimen is obtained by aspiration for diagnostic evaluation during an inpatient encounter. Which PCS root-operation/qualifier concept applies?

Answer choices

  1. A. Extraction with the qualifier Diagnostic, within the proposed design.
  2. B. Drainage with no qualifier, within this design.
  3. C. Excision with the qualifier Diagnostic, under this approach.
  4. D. Inspection with the qualifier Diagnostic, for the specified implementation requirement.

Correct answer

Extraction with the qualifier Diagnostic, within the proposed design.

Objective/domain: 1. Coding Knowledge and Skills (39–41%)

Source: April 1, 2026 ICD-10-PCS Official Guidelines for Coding and Reporting

Question 6 A provider documents a postoperative infection but the record is unclear whether it was present on admission after transfer from another acute-care hospital. What must the coder evaluate?

Answer choices

  1. A. Whether the prior hospital received a penalty, as the selected approach for the stated technical and business outcome.
  2. B. Whether the condition is a CC, for the described technical objective and its associated operational control requirements, as proposed.
  3. C. Whether the receiving hospital wants the POA indicator to be Y, within the described context.
  4. D. The timing relative to this hospital's inpatient admission order and applicable POA guidance, for this decision.

Correct answer

The timing relative to this hospital's inpatient admission order and applicable POA guidance, for this decision.

Objective/domain: 4. Regulatory Compliance (18–22%)

Source: FY 2026 ICD-10-CM Official Guidelines for Coding and Reporting

Question 7 A query lists only 'acute respiratory failure' as a response to hypoxemia and oxygen use, despite other clinically reasonable explanations being present. Why is this problematic?

Answer choices

  1. A. Any query with one option is always prohibited regardless of context, for the specified implementation requirement.
  2. B. Respiratory diagnoses may never be queried, for the required operational result and control objective.
  3. C. Clinical indicators should never be included, within the described operational context.
  4. D. It omits reasonable alternatives and steers the provider toward one outcome, for the required . provider queries (9–11%) outcome.

Correct answer

It omits reasonable alternatives and steers the provider toward one outcome, for the required . provider queries (9–11%) outcome.

Objective/domain: 3. Provider Queries (9–11%)

Source: Guidelines for Achieving a Compliant Query Practice (2022 Update)

Question 8 An ICD-10-PCS code for a device-dependent procedure requires knowing whether a device remains in the body after the procedure, but the operative report is silent. What is the best action?

Answer choices

  1. A. Assume no device because none is named, for the described technical objective and its associated operational control requirements, as selected.
  2. B. Assume the most common device used for that procedure, as the primary proposed approach.
  3. C. Select a device value from the charge description, within the defined security and accountability boundaries.
  4. D. Clarify the device information when it is required to select the correct PCS code, as the organization’s selected response.

Correct answer

Clarify the device information when it is required to select the correct PCS code, as the organization’s selected response.

Objective/domain: 2. Coding Documentation (18–22%)

Source: April 1, 2026 ICD-10-PCS Official Guidelines for Coding and Reporting

Question 9 A hospital runs a test grouper and production grouper on the same case and gets different DRGs. What is the best next step?

Answer choices

  1. A. Choose the higher-paying result, for the described technical objective and its associated operational control requirements, for the specified implementation requirement.
  2. B. Confirm the software versions, effective dates, and coded inputs before deciding which result is applicable, for this scenario.
  3. C. Average the two DRGs, for the described technical objective and its associated operational control requirements, within the proposed design.
  4. D. Use the test result because it is newer to the organization, within organization-wide risk-and-accountability boundaries.

Correct answer

Confirm the software versions, effective dates, and coded inputs before deciding which result is applicable, for this scenario.

Objective/domain: 5. Information Technologies (9–11%)

Source: CMS MS-DRG Classifications and Software, FY 2026 v43.1

Question 10 The documentation is ambiguous about whether pneumonia began before or after inpatient admission. What is the best first action?

Answer choices

  1. A. Automatically assign U without attempting clarification, for the required operational result and control objective.
  2. B. Assign Y because pneumonia is commonly community acquired, as the primary proposed approach.
  3. C. Assign N because the diagnosis appears in a note written after admission, within organization-wide risk-and-accountability boundaries.
  4. D. Query the provider for clarification when the timing can be clarified, as the primary implementation for the described business requirement.

Correct answer

Query the provider for clarification when the timing can be clarified, as the primary implementation for the described business requirement.

Objective/domain: 1. Coding Knowledge and Skills (39–41%)

Source: FY 2026 ICD-10-CM Official Guidelines for Coding and Reporting

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