J99.1** Asterisk (manifestation)

Respiratory disorders in other diffuse connective tissue disorders

Coding rules (TT06)

●Cannot be used as primary diagnosis

Dual coding (†/*)

This is an asterisk (*) manifestation code — usually paired with a dagger (†) etiology code.

Paired codesM32.1†Systemic lupus erythematosus with organ or system involvement

→ Full dagger (†) ↔ asterisk (*) mapping table

Coding guidance (WHO 2019)

Respiratory disorders in: dermatomyositis (M33.0-M33.1†) granulomatosis with polyangiitis (M31.3†) polymyositis (M33.2†) sicca syndrome [Sjögren] (M35.0†) systemic: lupus erythematosus (M32.1†) sclerosis (M34.8†) Wegener granulomatosis (M31.3†)

Sibling codes

J99*Respiratory disorders in diseases classified elsewhere J99.0*Rheumatoid lung disease (M05.1†)J99.8*Respiratory disorders in other diseases classified elsewhere