What is the letter used as a placeholder for certain codes to allow for future expansion?
100
This specifies whether the condition occurs on the left or right or is bilateral
What is laterality?
100
(Ch. 6) Is classified as subcategory G89.2
What is the subcategory code for chronic pain?
100
(Ch. 21) Z codes
What category codes replaced V codes?
100
This diagnosis is used in an outpatient setting
What type of setting is a first listed diagnosis used?
200
Not Coded Here
What is the definition of Excludes 1 located in the Tabular?
200
Residual effect after the acute phase of an illness or injury has terminated. It also means late effect
What is sequela?
200
(Ch. 9) The category code ranges are I10 - I15
What are the category code ranges for controlled hypertension?
200
(Ch. 19) These are coded as "acute burns"
What are non-healing burns coded as?
200
Symptoms and signs are coded in this chapter
What codes are described in Chapter 18?
300
Coding convention that requires underlying condition to be sequenced first followed by manifestation
What is etiology/manifestation convention?
300
Used to classify two diagnosis' or a diagnosis with an associated secondary process or a diagnosis with an associated complication
What is a combination code?
300
(Ch. 1) Refers to circulating failure associated with severe sepsis and organ dysfunction
What is septic shock?
300
(Ch. 19) They are separately coded for each injury unless a combination code is provided
How are injuries coded?
300
Diagnosis documented as "probable", "suspected, "questionable", "rule out", or "working on diagnosis"
What is considered an uncertain diagnosis?
400
Are used in both alphabetic index and tabular list to enclose supplementary words that may be present or absent in the statement of a disease or procedure without affecting the code number to which it is assigned
What are parenthesis used for?
400
Diagnosis codes are to be used and reported at their highest number of characters available. Also called coding at highest level of specificity
What is level of detail in coding?
400
(Ch. 9) Is used to indicate conditions classifiable to categories I60-I67 as the causes of sequela
What is category I69 used for?
400
(Ch.13) The 7th character extensions are A and D. The rest of the characters are found in each subcategory in the Tabular List
What are the two 7th character extensions used in the Musculoskeletal System for pathological fractures?
400
Z01.89, Encounter for other specified special examinations
What Z code is used to classify encounters for routine lab and radiology testing when there is no diagnosis present?
500
For use when the information in the medical record provides detail for which a specific code does not exist
What is "other" used for?
500
This is a condition described at the time of discharge to confirm if a diagnosis occured or did not occur and if it did not occur, would have this subentry term
What is a impending or threatened condition?
500
(Ch. 1) Refers to circulating failure associated with severe sepsis and organ dysfunction.
Colonization or carriage means that MSSA or MRSA is present on or in the body without necessarily causing the illness
What is definition colonization or carriage?
500
(Ch.15)
1. Single birth or gestation
2. Insufficient documentation on fetus affected; not possible to obtain clarity
3. Unable to clinically detemine which fetus is affected
What 3 reasons would the 7th character 0 be used for fetus identification?
500
The exception to the rule is when the primary reason for the encounter is chemotherapy or radiation therapy
What is the exception to the rule under therapeutic services?