ICD-10-CM Exam Study Guide With Verified Solutions

ICD-10-CM Exam Study Guide With Verified Solutions S02.65XA - answer*3-7 Characters:* 1st Character: Always alpha (A-Z, except U) 2nd Character: Always numeric 3rd-7th Character: Alpha or numeric *First 3 Characters:* Category *4th-6th Characters:* Describe etiology, anatomic site, severity, and such. *7th Character:* Added information for obstetrics, injuries, external causes of injury, and such. X - answer*ICD-10-CM utilizes a placeholder which is always the letter X and has two uses:* 1. As the fifth character for certain six character codes. The X provides for future expansion without disturbing the sixth character structure. Example: T37.0X1A, Poisoning by sulfonamides, accidental (unintentional), initial encounter. 2. When a code has less than six characters and a seventh character is required. The X is assigned for all characters less than six in order to meet the requirement of coding to the highest level of specificity. Example: S17.0XXA, Crushing injury of larynx and trachea, initial encounter. NEC - answer*Not elsewhere classified (NEC) = Other specified* NEC codes are used when a condition is specified in the documentation, but the classification does not provide that level of specificity. Example: H26.8, Other specified cataract NOS - answer*Not otherwise specified (NOS) = Unspecified* NOS codes are used when the documentation is insufficient to assign a more specific code. Example: J12.9, Viral pneumonia, unspecified [ ] - answer*Brackets are used in both the Tabular List and Alphabetic Index.* Tabular List: Brackets enclose synonyms, alternative wordings, or explanatory phrases Example: J00, Acute nasopharyngitis [common cold] Alphabetic Index: Brackets identify manifestation codes Example: Disease, Alzheimer's G930.9 [F02.80] ( ) - answer*Parentheses enclose nonessential modifiers in the Alphabetic Index and Tabular List.* Nonessential modifiers are supplementary words that may be present or absent in the statement of a disease without affecting the code number to which it is assigned. Alphanumeric Index Example: Diabetes, diabetic (mellitus) (sugar) Tabular List Example: I10, Essential (primary) hypertension : - answer*Colons are used in the Tabular List after an incomplete term which needs one or more of the modifiers following the colon to make it assignable to a given category.* Example: G01, Meningitis in bacterial diseases classified elsewhere Code first underlying disease