Science & STEM

Labile Hypertension ICD-10 Quiz for Circulatory Coding

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This quiz helps you practice ICD-10 coding for labile hypertension with short, real-world cases. Work through scenarios to spot documentation cues, apply Chapter 9 rules, and get instant feedback. For extra practice, try the icd 10 practice test, review causes and encounters in the ICD-10-CM chapters 20-21 quiz, or refresh treatment basics with the antihypertensive drugs quiz.

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1Which ICD-10-CM code is used to classify labile hypertension?
2Chapter IX of ICD-10-CM covers which body system?
3What condition is represented by ICD-10-CM code I10?
4Which ICD-10-CM category is used for secondary hypertension?
5What is the meaning of ICD-10-CM code I11?
6Which ICD-10-CM category covers hypertensive chronic kidney disease?
7Which subcategory code indicates hypertensive heart disease with heart failure?
8Which ICD-10-CM code is assigned for orthostatic hypotension?
9When both essential hypertension and hypertensive heart disease are diagnosed, which ICD-10-CM code should be assigned?
10Which ICD-10-CM code represents hypertensive heart and chronic kidney disease without heart failure?
11Which ICD-10-CM code represents hypertensive heart and chronic kidney disease with heart failure?
12A patient has hypertensive chronic kidney disease, stage 2. Which codes should be assigned?
13In a patient with labile hypertension and acute kidney injury, which diagnosis should be sequenced first?
14Which ICD-10-CM code is used for nephrogenic hypertension due to chronic kidney disease?
15Which code sequence is correct when labile hypertension is documented alongside orthostatic hypotension?
16A patient with labile hypertension also has stage 3 chronic kidney disease. Which code should be listed as principal?
17Which ICD-10-CM code indicates a hypertensive emergency?
18Malignant hypertension is no longer differentiated in ICD-10-CM and should be coded as which of the following?
19A coder must report hypertensive heart disease with CKD stage 4 and heart failure. Which combination code applies?
20Which ICD-10-CM code is used for postpartum gestational hypertension without proteinuria?
21Which ICD-10-CM code is used for secondary hypertension due to an endocrine disorder?
22How many characters are standard in ICD-10-CM category codes for hypertension (e.g., I10)?
23In a pregnant patient with labile hypertension but no significant proteinuria, which ICD-10-CM code is appropriate?
24Labile hypertension complicated by hypertensive encephalopathy should be coded to which ICD-10-CM code?
25A patient admitted for elective coronary bypass has documented labile hypertension. Which secondary diagnosis code is correct?
Learning Goals

Study Outcomes

  1. Identify ICD-10 Codes for Labile Hypertension -

    Pinpoint the correct icd 10 for labile hypertension and related circulatory system diagnoses by examining key code definitions and guidelines.

  2. Apply Chapter 9 ICD-10 Guidelines -

    Utilize chapter 9 icd 10 guidelines to determine when to assign codes under I00 - I99, ensuring adherence to standard coding protocols.

  3. Differentiate Hypertensive Disorders -

    Distinguish between labile hypertension icd 10 code assignments and other forms of hypertension, such as essential or secondary variants.

  4. Interpret Secondary Cause Coding -

    Analyze coding scenarios involving comorbidities, including history of cushing's disease icd 10, to select appropriate secondary diagnosis codes.

  5. Evaluate Quiz-Based Feedback -

    Assess your coding choices through interactive quiz results and explanations, reinforcing accuracy in real-world documentation.

  6. Master Circulatory System Coding -

    Gain confidence in coding diseases of the circulatory system under chapter 9, improving speed and precision in medical records.

Study Guide

Cheat Sheet

  1. Defining Labile Hypertension -

    Labile hypertension is characterized by transient spikes in blood pressure readings, often triggered by stress or activity, and not sustained like essential hypertension. Recognizing these episodic fluctuations helps coders accurately apply icd 10 for labile hypertension concepts versus chronic hypertension scenarios.

  2. Selecting the Right Code -

    Since labile hypertension lacks a unique ICD-10 code, coders generally assign I10 (Essential [primary] hypertension) and note "labile" in the medical record for clarity. Familiarity with icd 10 code labile hypertension guidelines ensures consistent reporting and aligns with payer requirements.

  3. Coding History of Cushing's Disease -

    When a patient has labile hypertension secondary to Cushing's, use E24.0 for active Cushing's syndrome or Z86.718 for history of cushing's disease icd 10 to capture past episodes in discharge coding. Proper sequencing - listing the endocrine condition first - reflects chapter 9 icd 10 guidelines and supports clinical context.

  4. Leveraging Chapter 9 Guidelines -

    The Chapter 9 ICD-10 guidelines (I00 - I99) emphasize documenting underlying causes and comorbidities to determine combination codes like I11 - I13 for hypertensive heart and renal disease. Reviewing the official ICD-10-CM coding guidelines from the CDC or CMS ensures you adhere to conventions, punctuation rules, and sequencing priorities.

  5. Mnemonic for Hypertensive Combinations -

    Recall "Heart, Kidney, Both" for I11 (heart), I12 (kidney), and I13 (both) to quickly identify the correct hypertensive combination code when documenting labile hypertension with organ involvement. This simple trick speeds up chart reviews and reinforces chapter 9 icd 10 guidelines in your daily workflow.

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Michael HodgeEdTech Product Lead & Assessment Design SpecialistQuiz Maker
Updated Feb 21, 2026