For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first, if applicable, followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code.

Feb 27, 2024 · If there is a “code first” note in the tabular, the coder should follow this instruction and sequence the underlying etiology or chronic condition first followed by the manifestation as an additional diagnosis. There will be a “use additional code” …

Code First/Use Additional Code: Appears where additional codes are needed to give a more complete picture of the diagnosis or procedure (example G06). This designation also

Oct 1, 2020 · Use Additional Code. This convention instructs you to “Code first” the underlying condition, followed by etiology and/or manifestations. Appears in the Official Guidelines at I.A.13. The “Use additional” code note is found below the underlying condition code. Example: Type 2 diabetes with stage three chronic kidney disease

25 ICD-10-CM Overview and Coding Guidelines Code First/Use Additional Code Notes •Codes that have both an underlying etiology and multiple body system manifestations due to the underlying etiology require sequencing the underlying condition first followed by the manifestation. ICD-10-CM Conventions

Use additional Code note instructs the coder to use an additional code to identify the manifestation that is present. The code First note instructs the coder to select a code to represent the etiology that caused the manifestation. Indicates that it is a manifestation code.

For these conditions, the ICD-10-CM has a coding convention that requires sequencing the underlying condition first, followed by the manifestation. Wherever this combination exists, there’s a use additional code note at the etiology code and a code first note at the manifestation code.

• “Code First” & “Use Additional Code” • Used for Sequencing Priority – Found in Tabular • When a particular disease or condition has many manifestations that go along with it, always code the underlying disease first, followed by the manifestation. • Example: • E66 Overweight and Obesity

A "use additional code" note will normally be found at the infectious disease code, indicating a need for the organism code to be added as a secondary code. "Code first" notes are also under certain codes that are not specifically manifestation codes but may be due to an underlying cause.

For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first, if applicable, followed by the manifestation. Wherever such a combination exists, there is a “use additional code” note at the etiology code, and a “code first” note at the manifestation code.