Answers to Code First coding convention:Scenario 1:
Etiology code = O99.212: Obesity complicating pregnancy, second trimester
Manifestation code = E66.01: Morbid (severe) obesity due to excess calories
Scenario 2:
Etiology code = M89.441: Other hypertrophic osteoarthropathy, right hand and M89.442: Other hypertrophic osteoarthropathy, left hand
Manifestation code = L62: Nail disorders in diseases classified elsewhere
Scenario 3:
Etiology code = T56.1X4A: Toxic effect of mercury and its compounds, undetermined, initial encounter
Manifestation code = K52.1: Toxic gastroenteritis and colitis
Answers to True or False: Conventions, general, and chapter-specific guidelines- The placeholder character ?X? is used as a placeholder for certain codes for future expansion.
- True
- False
- Brackets are used in the Tabular List to make suggestions.
- True
- False
- To properly code a neoplasm, it is necessary to determine from the medical record if the neoplasm is benign, in-situ, malignant, or of uncertain histologic behavior. If malignant, any secondary (metastatic) sites should also be determined.
- True
- False
- Codes titled ?other? or ?other specified? are used when the information in the medical record provides detail for which a specific code does not exist.
- True
- False
- Codes from category G81: Hemiplegia and hemiparesis and subcategories G83.1: Monoplegia of lower limb, G83.2: Monoplegia of upper limb, and G83.3: Monoplegia, unspecified identify whether the dominant or non-dominant side is affected. Should the affected side be documented, but not specified as dominant or non-dominant, and the classification system does not indicate a default, code selection is as follows:
- for ambidextrous patients, the default should be dominant;
- if the left side is affected, the default is non-dominant;
- if the right side is affected, the default is dominant.
- True
- False
- To locate a code, you must first look in the Tabular List and then the Alphabetic Index.
- True
- False
- A three-character code in ICD-10 is invalid.
- True
- False
- If a patient is admitted for a human immunodeficiency virus (HIV)-related condition, the principal diagnosis should be B20: HIV disease followed by additional diagnosis codes for all reported HIV-related conditions.
- True
- False
- The abbreviation for NOS (not otherwise specified) is the equivalent of unspecified.
- True
- False
- Codes that describe signs and symptoms, as opposed to diagnoses, are acceptable for reporting when a definitive diagnosis has not been confirmed by the provider.
- True
- False