Wiki Morbid Obesity with Alveolar Hypoventilation

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Code: E66.2
Morbid (severe) obesity with alveolar hypoventilation
Obesity hypoventilation syndrome (OHS)
Pickwickian syndrome
Parent Code Notes: E66
Code first obesity complicating pregnancy, childbirth and the puerperium, if applicable (O99.21-)
Excludes1: adiposogenital dystrophy (E23.6)
lipomatosis NOS (E88.2)
lipomatosis dolorosa [Dercum] (E88.2)
Prader-Willi syndrome (Q87.1)
Use additional code to identify body mass index (BMI), if known (Z68.-)

Category Notes
Overweight, obesity and other hyperalimentation (E65-E68)

Coding Guidelines
Endocrine, nutritional and metabolic diseases (E00-E89)
Note: All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.
Excludes 1: transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Best answers
Good day!

I need clarification on how to code Obesity Hypoventilation Syndrome? Is it coded to E66.2 (Morbid (severe) obesity with alveolar hypoventilation/Pickwickian syndrome) even without documentation of the term ''Alveolar''?

Thank you!