ICD-10-CM Use Additional Code Notes · Chapter 16 · FY 2027 P00-P96

Use Additional Code Notes in Chapter 16: Certain conditions originating in the perinatal period ICD-10-CM

A Use Additional Code note means a second code should be added, after this one, to fully describe the condition. In Chapter 16 (P00-P96), notes printed in the chapter name other codes 11 times, and Use Additional Code Notes anywhere in the Tabular List name the chapter’s codes 29 times, covering 2 distinct codes, categories and ranges. Switch views to read the list either way.

✓ From the official FY 2027 ICD-10-CM Tabular ListDefinitions follow the Official Guidelines, Section I.A
11
References in Its Notes
29
References to Its Codes
2
Chapter Codes Named
P00-P96
Chapter 16
Chapter 16

Use Additional Code Notes by the code that carries the note

11 of 11 shown
  • P23.0 Congenital pneumonia due to viral agent
    • code (B97) to identify organism
  • P23.6 Congenital pneumonia due to other bacterial agents
    • code (B95-B96) to identify organism
  • P24.01 Meconium aspiration with respiratory symptoms
    • code to identify any secondary pulmonary hypertension, if applicable (I27.2-)
  • P24.11 Neonatal aspiration of (clear) amniotic fluid and mucus with respiratory symptoms
    • code to identify any secondary pulmonary hypertension, if applicable (I27.2-)
  • P24.21 Neonatal aspiration of blood with respiratory symptoms
    • code to identify any secondary pulmonary hypertension, if applicable (I27.2-)
  • P24.31 Neonatal aspiration of milk and regurgitated food with respiratory symptoms
    • code to identify any secondary pulmonary hypertension, if applicable (I27.2-)
  • P24.81 Other neonatal aspiration with respiratory symptoms
    • code to identify any secondary pulmonary hypertension, if applicable (I27.2-)
  • P36 Bacterial sepsis of newborn applies to 10 codes
    • code(s), if applicable, to identify severe sepsis (R65.2-) and associated acute organ dysfunction(s)
  • P36.8 Other bacterial sepsis of newborn
    • code from category B96 to identify organism
  • P58.4 Neonatal jaundice due to drugs or toxins transmitted from mother or given to newborn applies to 2 codes
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
  • P93.8 Other reactions and intoxications due to drugs administered to newborn
    • code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

The first view lists notes printed in this chapter (a note on a category or block applies to every code beneath it). The second lists codes of this chapter named by Use Additional Code Notes anywhere in the Tabular List, including notes in other chapters.

Questions About Use Additional Code Notes

What does a Use Additional Code note mean?

A Use Additional Code note tells you to add a second code, reported after the code that carries the note, to describe the condition completely. In an etiology/manifestation pair it sits at the etiology code and points to the manifestation (Section I.A.13). The FY 2027 Tabular List has 1,491 of them; 1,174 name other codes, with 1,438 references to 389 distinct codes, categories and ranges.

Where does the additional code go?

After the code carrying the note. For etiology/manifestation pairs the Guidelines are explicit: the etiology is sequenced first, followed by the manifestation code.

Related References

ICD-10-CM Official GuidelinesICD-10-CM Code LookupICD-10-CM Codes ListCode Lists by Tag

Source: FY 2027 ICD-10-CM Tabular List (CMS and NCHS) and the ICD-10-CM Official Guidelines for Coding and Reporting FY 2027, Section I.A. ICD List is not affiliated with CMS or NCHS.