Chapter IX
Diseases of the circulatory system
(I00-I99)

Other and unspecified disorders of the circulatory system
(I95-I99)

I95 Hypotension

Excl.:
cardiovascular collapse ( R57.9)
maternal hypotension syndrome ( O26.5)
nonspecific low blood pressure reading NOS ( R03.1)
I95.0 Idiopathic hypotension
I95.1 Orthostatic hypotension
Incl.:
Hypotension, postural
Excl.:
neurogenic orthostatic hypotension [Shy-Drager] ( G23.8)
I95.2 Hypotension due to drugs
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify drug.
I95.8 Other hypotension
Incl.:
Chronic hypotension
I95.9 Hypotension, unspecified

I97 Postprocedural disorders of circulatory system, not elsewhere classified

Excl.:
postoperative shock ( T81.1)
I97.0 Postcardiotomy syndrome
I97.1 Other functional disturbances following cardiac surgery
Incl.:
  • Cardiac insufficiency
  • Heart failure
  • following cardiac surgery or due to presence of cardiac prosthesis
I97.2 Postmastectomy lymphoedema syndrome
Incl.:
  • Elephantiasis
  • Obliteration of lymphatic vessels
  • due to mastectomy
I97.8 Other postprocedural disorders of circulatory system, not elsewhere classified
I97.9 Postprocedural disorder of circulatory system, unspecified

I98* Other disorders of circulatory system in diseases classified elsewhere

Excl.:
disorders classified to other asterisk categories within this chapter
I98.0* Cardiovascular syphilis
Incl.:
Cardiovascular syphilis:
I98.1* Cardiovascular disorders in other infectious and parasitic diseases classified elsewhere
Incl.:
Cardiovascular:
  • involvement NEC, in Chagas disease (chronic) (B57.2†)
  • lesions of pinta [carate] (A67.2†)
I98.2* Oesophageal varices without bleeding in diseases classified elsewhere
Incl.:
Oesophageal varices without bleeding in:
I98.3* Oesophageal varices with bleeding in diseases classified elsewhere
Incl.:
Oesophageal varices with bleeding in:
I98.8* Other specified disorders of circulatory system in diseases classified elsewhere

I99 Other and unspecified disorders of circulatory system