ICD-10 Guidelines
What are NEC and NOS considered in the ICD-10-CM code book?
a. Abbreviations
b. Eponyms
c. Essential modifiers
d. Qualifiers
ANS: A Abbreviations
Rationale: ICD-10-CM guideline I.A.6 states NEC and NOS are abbreviations. NEC is an abbreviation for Not Elsewhere Classifiable and NOS is an abbreviation for Not Otherwise Specified.
What is the correct diagnosis code to report treatment of a melanoma in-situ of the left upper arm?
a. C44.609
b. C43.62
c. D03.62
d. D04.62
ANS: C D03.62
Rationale: Melanoma in-situ is not found in the Table of Neoplasms. It is necessary to look in the ICD-10-CM Alphabetic Index for Melanoma/in situ/arm or upper limb referring you to subcategory code D03.6-. In the Tabular List the 5th character 2 is chosen to indicate the left upper arm.
Melanin is found in what layer of the epidermis?
a. Epithelium
c. Dermal
b. Squamous
d. Basal
ANS: D Basal
Rationale: Scattered throughout the basal layer of the epidermis are cells called melanocytes, which produce the pigment melanin, one of the main contributors to skin color.
What is another term for hives?
a. Rash
b. Eruption
c. Urticaria
d. Dermatitis
ANS: C Urticaria
Rationale: Urticaria can also be described as hives and shows on the skin as raised, red, itchy wheals.
Which statement is TRUE regarding the instruction for use of the CPT® codebook?
a. Use an unlisted code when modifying a procedure.
b. Parenthetical instructions define each code listed in the code book.
c. Select the name of the procedure or service that most closely approximates the procedure or service performed.
d. Select the name of the procedure or service that accurately identifies the service performed.
ANS: D
Rationale: CPT® Instructions for the use of the CPT® code book indicates to “select the name of the procedure or service that accurately identifies the service performed.” Instructions for Use of the CPT code book is found in the front of the CPT codebook in the Introduction.
The terms malignant, benign, in situ and uncertain behavior are all terms used when coding what?
a. Lumps
b. Neoplasms
c. Fractures
d. Skin rashes
ANS: B
Rationale: Neoplasm codes in ICD-10-CM are classified as malignant, carcinoma in situ, uncertain, unspecified, or benign.
Which diagnosis below would be considered a combination code?
a. E06.0
b. I07.0
c. K80.00
d. R78.0
ANS: C
Rationale: Refer to ICD-10-CM guideline I.B.9 for the definition of a combination code. Code K80.00 reports both gallbladder calculus and acute cholecystitis.
Arthritis is an inflammation of what?
a. Muscle
b. Nerve
c. Joint
d. Tendon
ANS: C
Pronation is turning the hand to have the palm face:
a. Upward
b. Sideways
c. Downward
d. Outward
ANS: C Downward
What type of CPT® code is “modifier 51 exempt” even though there is no modifier 51 exempt symbol next to it?
a. Surgery codes
b. Add-on codes
c. Mandated services
d. Bilateral procedures
ANS: B
Rationale: Per CPT® guideline, “all add-on codes found in the CPT® codebook are exempt from the multiple procedure concept.”
When a patient has a condition that is both acute and chronic and there are separate entries for both, how is it reported?
a. Code only the acute code
b. Code both sequencing the chronic first
c. Code both sequencing the acute first
d. Code only the chronic code
ANS: C
Rationale: According to the ICD-10-CM guideline 1.B.8 if the same condition is described as both acute (subacute) and chronic and separate entries exist in the ICD-10-CM Alphabetic Index at the same indentation level, code both and sequence the acute (subacute) first.
What is the ICD-10-CM code for tachycardia?
a. I47.9
c. I49.8
b. P29.11
d. R00.0
ANS: D
Rationale: Look in the ICD-10-CM Alphabetic Index for Tachycardia. Without further description, you are directed to R00.0. Verify code selection in the Tabular List.
The dome-shaped muscle under the lungs flattening during inspiration is the:
a. Bronchus
b. Diaphragm
c. Mediastinum
d. Pleura
ANS: B Diaphragm
Which procedure visualizes the contents of the mediastinum?
a. Mediastinoscopy
b. Mediastinotomy
c. Median rhinoscopy
d. Medialization
ANS: A Mediastinoscopy
When procedures are “mandated” by third party payers, what modifier would you use?
a. 26
b. 52
c. 32
d. 76
ANS: C
Rationale: Modifier 32 reports “mandated services”.
In the ICD-10-CM Alphabetic Index next to Hypertension, what do the terms in parentheses indicate?
a. Hypertension cannot be coded unless one of those words is documented with hypertension in the diagnosis.
b. Hypertension needs two codes assigned.
c. Supplementary words that can be present or absent with the diagnosis hypertension and does not affect the code to which it is assigned.
d. Look at another main term to find that type of hypertension.
ANS: C
Rationale: ICD-10-CM guideline I.A.7 states parentheses are used to enclose supplementary words that may be present or absent in the statement of disease or procedure, without affecting the code number to which it assigned.
What is the correct diagnosis code to report initial treatment of an infected post procedural stitch abscess of the right leg from a previous excision of a squamous cell carcinoma?
a. C44.701
b. T81.41XA
c. T81.9XXA
d. T81.31XA
ANS: B T81.41XA
Rationale: Index: Abscess/stitch or Complication/surgical procedure/stitch abscess or Stitch/abscess referring you to T81.41-.
Which of the following closes and seals off the lower airway during swallowing?
(A) Alveoli
(B) Epiglottis
(C) Larynx
(D) Uvula
(E) Vocal cords
ANS: B Epiglottis
A surgical procedure creating an opening into the jejunum is defined as a:
a. Colostomy
b. Gastrojejunostomy
c. Gastroenterostomy
d. Jejunostomy
ANS: D Jejunostomy
What is the correct CPT® code for the extensive excision of nasal polyps?
a. 30124
b. 30125
c. 30110
d. 30115
ANS: D
In the CPT® Index: Excision/Polyp/Nose which directs you to 30110, 30115.
What do the instructions and conventions of the classification take precedence over?
a. Documentation
b. Official Coding Guidelines
c. CPT®
d. Nothing. They are only used in the event of no other instruction.
ANS: B Official Coding Guidelines
Rationale: ICD-10-CM guidelines state the instructions and conventions of the classification take precedence over guidelines.
What is the ICD-10-CM code for classical migraine?
a. G43.119
b. G43.509
c. G43.109
d. G43.909
ANS: C
Rationale: Look in the ICD-10-CM Alphabetic Index for Migraine/classical and you are directed to see migraine with aura. Migraine/with aura directs you to G43.109. Verify code selection in the Tabular List. The list under G43.1 includes classical migraine.
Which of the following is located beneath the diaphragm in the left upper quadrant of the abdominal cavity?
(A) Appendix
(B) Duodenum
(C) Gallbladder
(D) Pancreas
(E) Spleen
(E) Spleen
Excessive potassium in the blood is referred to as:
a. Hematuria
b. Hyperkalemia
c. Hypoproteinemia
d. Hypernatremia
b. Hyperkalemia
What is the correct CPT® code to report a microscopic urinalysis?
a. 81000
c. 81003
b. 81001
d. 81015
ANS: D
Rationale: In the CPT® Index, look for Urinalysis/Microscopic. The code you are directed to use is 81015.